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4. Updating the Ulvaceae in the green seaweeds of Britain and Ireland

Author

Maggs, Christine A., Bunker, Anne R., Bunker, Francis St. P. D., Harries, David, Kelly, John, Mineur, Frédéric, Blomster, Jaanika, Díaz-Tapia, Pilar, Gabrielson, Paul W., Hughey, Jeffery R., Brodie, Juliet, Maggs, Christine A., Bunker, Anne R., Bunker, Francis St. P. D., Harries, David, Kelly, John, Mineur, Frédéric, Blomster, Jaanika, Díaz-Tapia, Pilar, Gabrielson, Paul W., Hughey, Jeffery R., and Brodie, Juliet

Abstract

The 2007 flora “Green Seaweeds of Britain and Ireland” did not present the molecular data underpinning the Ulvaceae treatment, mostly ITS sequences. Subsequently, names have changed as type material of Ulva species is sequenced and intensive sampling with DNA barcoding adds new European species. To update the Ulvaceae, we systematically sampled from 2007 to 2021, identifying specimens using various molecular markers alongside DNA from type material of four species. We show here that Ulva gigantea , based on rbc L, tuf A and ITS sequences of its holotype, is assigned to Ulva compressa , as is the lectotype of Ulva curvata . Ulva gigantea sensu GenBank and Ulva pseudocurvata are conspecific. The correct name is U. pseudocurvata based on rbc L sequences of the lectotype. Two species of monostromatic Ulvaceae were included in the 2007 flora, but we show that both of them and all earlier British monostromatic collections represent Ulvaria splendens , a species originally described from Alaska. Analysis of two rbc L amplicons of the Ulva sordida lectotype shows that it is conspecific with Ulvaria splendens . Our first genuine collections of Ulvaria obscura from SW England and SW Wales correspond to topotype material from the Bay of Biscay, recent samples from Galicia and unpublished tuf A sequences from Britanny.

Published
2024
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6. Non-indigenous seaweeds in the Northeast Atlantic Ocean, the Mediterranean Sea and Macaronesia: a critical synthesis of diversity, spatial and temporal patterns

Author

van der Loos, Luna M., primary, Bafort, Quinten, additional, Bosch, Samuel, additional, Ballesteros, Enric, additional, Bárbara, Ignacio, additional, Berecibar, Estibaliz, additional, Blanfuné, Aurélie, additional, Bogaert, Kenny, additional, Bouckenooghe, Silke, additional, Boudouresque, Charles-François, additional, Brodie, Juliet, additional, Cecere, Ester, additional, Díaz-Tapia, Pilar, additional, Engelen, Aschwin H., additional, Gunnarson, Karl, additional, Shabaka, Soha Hamdy, additional, Hoffman, Razy, additional, Husa, Vivian, additional, Israel, Álvaro, additional, Karremans, Mart, additional, Knoop, Jessica, additional, Le Gall, Line, additional, Maggs, Christine A., additional, Mineur, Frédéric, additional, Parente, Manuela, additional, Perk, Frank, additional, Petrocelli, Antonella, additional, Rodríguez-Prieto, Conxi, additional, Ruitton, Sandrine, additional, Sansón, Marta, additional, Serrão, Ester A., additional, Sfriso, Adriano, additional, Sjøtun, Kjersti, additional, Stiger-Pouvreau, Valérie, additional, Surget, Gwladys, additional, Taşkin, Ergün, additional, Thibaut, Thierry, additional, Tsiamis, Konstantinos, additional, Van De Weghe, Lotte, additional, Verlaque, Marc, additional, Viard, Frédérique, additional, Vranken, Sofie, additional, Leliaert, Frederik, additional, and De Clerck, Olivier, additional

Published
2023
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7. North Atlantic Rhodolith Beds

Author

Hernandez-Kantun, Jazmin J., Hall-Spencer, Jason M., Grall, Jacques, Adey, Walter, Rindi, Fabio, Maggs, Christine A., Bárbara, Ignacio, Peña, Viviana, Finkl, Charles W., Series editor, Riosmena-Rodríguez, Rafael, editor, Nelson, Wendy, editor, and Aguirre, Julio, editor

Published
2017
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11. DNA sequences as types: A discussion paper from the Special‐purpose Committee established at the XIX International Botanical Congress in Shenzhen, China

Author

Thiele, Kevin R., primary, Applequist, Wendy L., additional, Renner, Susanne S., additional, May, Tom W., additional, Dönmez, Ali A., additional, Groom, Quentin, additional, Lehtonen, Samuli, additional, Maggs, Christine A., additional, Malécot, Valéry, additional, and Yoon, Hwan Su, additional

Published
2023
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13. Non-indigenous seaweeds in the Northeast Atlantic Ocean, the Mediterranean Sea and Macaronesia: a critical synthesis of diversity, spatial and temporal patterns

Author

Van Der Loos, Luna M., Bafort, Quinten, Bosch, Samuel, Ballesteros, Enric, Bárbara, Ignacio, Berecibar, Estibaliz, Blanfuné, Aurélie, Bogaert, Kenny, Bouckenooghe, Silke, Boudouresque, Charles-françois, Brodie, Juliet, Cecere, Ester, Díaz-tapia, Pilar, Engelen, Aschwin H., Gunnarson, Karl, Shabaka, Soha Hamdy, Hoffman, Razy, Husa, Vivian, Israel, Álvaro, Karremans, Mart, Knoop, Jessica, Le Gall, Line, Maggs, Christine A., Mineur, Frederic, Parente, Manuela, Perk, Frank, Petrocelli, Antonella, Rodríguez-prieto, Conxi, Ruitton, Sandrine, Sansón, Marta, Serrão, Ester A., Sfriso, Adriano, Sjøtun, Kjersti, Stiger-pouvreau, Valerie, Surget, Gwladys, Taşkin, Ergün, Thibaut, Thierry, Tsiamis, Konstantinos, Van De Weghe, Lotte, Verlaque, Marc, Viard, Frédérique, Vranken, Sofie, Leliaert, Frederik, De Clerck, Olivier, Van Der Loos, Luna M., Bafort, Quinten, Bosch, Samuel, Ballesteros, Enric, Bárbara, Ignacio, Berecibar, Estibaliz, Blanfuné, Aurélie, Bogaert, Kenny, Bouckenooghe, Silke, Boudouresque, Charles-françois, Brodie, Juliet, Cecere, Ester, Díaz-tapia, Pilar, Engelen, Aschwin H., Gunnarson, Karl, Shabaka, Soha Hamdy, Hoffman, Razy, Husa, Vivian, Israel, Álvaro, Karremans, Mart, Knoop, Jessica, Le Gall, Line, Maggs, Christine A., Mineur, Frederic, Parente, Manuela, Perk, Frank, Petrocelli, Antonella, Rodríguez-prieto, Conxi, Ruitton, Sandrine, Sansón, Marta, Serrão, Ester A., Sfriso, Adriano, Sjøtun, Kjersti, Stiger-pouvreau, Valerie, Surget, Gwladys, Taşkin, Ergün, Thibaut, Thierry, Tsiamis, Konstantinos, Van De Weghe, Lotte, Verlaque, Marc, Viard, Frédérique, Vranken, Sofie, Leliaert, Frederik, and De Clerck, Olivier

Abstract

Effective monitoring of non-indigenous seaweeds and combatting their effects relies on a solid confirmation of the non-indigenous status of the respective species. We critically analysed the status of presumed non-indigenous seaweed species reported from the Mediterranean Sea, the Northeast Atlantic Ocean and Macaronesia, resulting in a list of 140 species whose non-indigenous nature is undisputed. For an additional 87 species it is unclear if they are native or non-indigenous (cryptogenic species) or their identity requires confirmation (data deficient species). We discuss the factors underlying both taxonomic and biogeographic uncertainties and outline recommendations to reduce uncertainty about the non-indigenous status of seaweeds. Our dataset consisted of over 19,000 distribution records, half of which can be attributed to only five species (Sargassum muticum, Bonnemaisonia hamifera, Asparagopsis armata, Caulerpa cylindracea and Colpomenia peregrina), while 56 species (40%) are recorded no more than once or twice. In addition, our analyses revealed considerable variation in the diversity of non-indigenous species between the geographic regions. The Eastern Mediterranean Sea is home to the largest fraction of non-indigenous seaweed species, the majority of which have a Red Sea or Indo-Pacific origin and have entered the Mediterranean Sea mostly via the Suez Canal. Non-indigenous seaweeds with native ranges situated in the Northwest Pacific make up a large fraction of the total in the Western Mediterranean Sea, Lusitania and Northern Europe, followed by non-indigenous species with a presumed Australasian origin. Uncertainty remains, however, regarding the native range of a substantial fraction of non-indigenous seaweeds in the study area. In so far as analyses of first detections can serve as a proxy for the introduction rate of non-indigenous seaweeds, these do not reveal a decrease in the introduction rate, indicating that the current measures and policies are

Published
2023
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14. Phylogenomic analysis of pseudocryptic diversity reveals the new genus Deltalsia (Rhodomelaceae, Rhodophyta)

Author

Centro de Supercomputación de Galicia, Xunta de Galicia, Díaz-Tapia, Pilar [0000-0003-4680-4867], Díaz-Tapia, Pilar, Rodríguez-Buján, Iván, Maggs, Christine A, Verbruggen, Heroen, Centro de Supercomputación de Galicia, Xunta de Galicia, Díaz-Tapia, Pilar [0000-0003-4680-4867], Díaz-Tapia, Pilar, Rodríguez-Buján, Iván, Maggs, Christine A, and Verbruggen, Heroen

Abstract

Molecular analyses, in combination with morphological studies, provide invaluable tools for delineating red algal taxa. However, molecular datasets are incomplete and taxonomic revisions are often required once additional species or populations are sequenced. The small red alga Conferva parasitica was described from the British Isles in 1762 and then reported from other parts of Europe. Conferva parasitica was traditionally included in the genus Pterosiphonia (type species P. cloiophylla in Schmitz and Falkenberg 1897), based on its morphological characters, and later transferred to Symphyocladia and finally to Symphyocladiella using molecular data from an Iberian specimen. However, although morphological differences have been observed between specimens of Symphyocladiella parasitica from northern and southern Europe they have yet to be investigated in a phylogenetic context. In this study, we collected specimens from both regions, studied their morphology and analyzed rbcL and cox1 DNA sequences. We determined the phylogenetic position of a British specimen using a phylogenomic approach based on mitochondrial and plastid genomes. Northern and southern European populations attributed to S. parasitica represent different species. Symphyocladiella arecina sp. nov. is proposed for specimens from southern Europe, but British specimens were resolved as a distant sister lineage to the morphologically distinctive Amplisiphonia, so we propose the new genus Deltalsia for this species. Our study highlights the relevance of using materials collected close to the type localities for taxonomic reassessments, and showcases the utility of genome-based phylogenies for resolving classification issues in the red algae.

Published
2023

15. Non-indigenous seaweeds in the Northeast Atlantic Ocean, the Mediterranean Sea and Macaronesia: a critical synthesis of diversity, spatial and temporal patterns

Author

European Marine Biological Resource Centre, van der Loos, Luna M., Bafort, Quinten, Bosch, Samuel, Ballesteros, Enric, Bárbara, Ignacio, Bercibar, Estibaliz, Blanfuné, Aurélie, Bogaert, Kenny, Bouckenooghe, Silke, Boudouresque, Charles-François, Brodie, Juliet, Cecere, Ester, Díaz-Tapia, Pilar, Engelen, Aschwin, Gunnarson, Karl, Hamdy Shabaka, Soha, Hoffman, Razy, Husa. Vivian, Israel, Álvaro, Karremans, Mart, Knoop, Jessica, Le Gall, Line Le, Maggs, Christine A., Mineur, Frédéric, Parente, Manuela, Perk, Frank, Petrocelli, Antonella, Rodríguez-Prieto, Conxi, Ruitton, Sandrine, Sansón, Marta, Serrão, Ester A., Sfriso, Adriano, Sjøtun, Kjersti, Stiger-Pouvreau, Valérie, Surget, Gwladys, Thibaut, Thierry, Tsiamis, Konstantinos, Van De Weghe, Lotte, Verlaque, Marc, Viard, Frédérique, Vranken, Sofie, Leliaert, Frederik, De Clerck, Olivier, European Marine Biological Resource Centre, van der Loos, Luna M., Bafort, Quinten, Bosch, Samuel, Ballesteros, Enric, Bárbara, Ignacio, Bercibar, Estibaliz, Blanfuné, Aurélie, Bogaert, Kenny, Bouckenooghe, Silke, Boudouresque, Charles-François, Brodie, Juliet, Cecere, Ester, Díaz-Tapia, Pilar, Engelen, Aschwin, Gunnarson, Karl, Hamdy Shabaka, Soha, Hoffman, Razy, Husa. Vivian, Israel, Álvaro, Karremans, Mart, Knoop, Jessica, Le Gall, Line Le, Maggs, Christine A., Mineur, Frédéric, Parente, Manuela, Perk, Frank, Petrocelli, Antonella, Rodríguez-Prieto, Conxi, Ruitton, Sandrine, Sansón, Marta, Serrão, Ester A., Sfriso, Adriano, Sjøtun, Kjersti, Stiger-Pouvreau, Valérie, Surget, Gwladys, Thibaut, Thierry, Tsiamis, Konstantinos, Van De Weghe, Lotte, Verlaque, Marc, Viard, Frédérique, Vranken, Sofie, Leliaert, Frederik, and De Clerck, Olivier

Abstract

Effective monitoring of non-indigenous seaweeds and combatting their effects relies on a solid confirmation of the non-indigenous status of the respective species. We critically analysed the status of presumed non-indigenous seaweed species reported from the Mediterranean Sea, the Northeast Atlantic Ocean and Macaronesia, resulting in a list of 140 species whose non-indigenous nature is undisputed. For an additional 87 species it is unclear if they are native or non-indigenous (cryptogenic species) or their identity requires confirmation (data deficient species). We discuss the factors underlying both taxonomic and biogeographic uncertainties and outline recommendations to reduce uncertainty about the non-indigenous status of seaweeds. Our dataset consisted of over 19,000 distribution records, half of which can be attributed to only five species (Sargassum muticum, Bonnemaisonia hamifera, Asparagopsis armata, Caulerpa cylindracea and Colpomenia peregrina), while 56 species (40%) are recorded no more than once or twice. In addition, our analyses revealed considerable variation in the diversity of non-indigenous species between the geographic regions. The Eastern Mediterranean Sea is home to the largest fraction of non-indigenous seaweed species, the majority of which have a Red Sea or Indo-Pacific origin and have entered the Mediterranean Sea mostly via the Suez Canal. Non-indigenous seaweeds with native ranges situated in the Northwest Pacific make up a large fraction of the total in the Western Mediterranean Sea, Lusitania and Northern Europe, followed by non-indigenous species with a presumed Australasian origin. Uncertainty remains, however, regarding the native range of a substantial fraction of non-indigenous seaweeds in the study area. In so far as analyses of first detections can serve as a proxy for the introduction rate of non-indigenous seaweeds, these do not reveal a decrease in the introduction rate, indicating that the current measures and policies are

Published
2023

16. Stirkia dumoserta Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Stirkia dumoserta, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Stirkia dumoserta (R.E.Norris & I.A.Abbott) Barros-Barreto & Maggs, comb. nov. Ceramium dumosertum R.E.Norris & I.A.Abbott, Pacific Science 46 (4): 456 (Norris & Abbott 1992). TYPE LOCALITY. — United States. Hawai’i, Maui Island, intertidal on basalt, Ka’inalimu Bay, Hana. HOLOTYPE. — United States. Hawai’i, Maui Island, intertidal on basalt, Ka’inalimu Bay, Hana, 21.VII.1990, legit I.A. Abbott 20307 (holo-, BISH [BISH 612652])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["NORRIS R. E. & ABBOTT I. A. 1992. - New taxa of Ceramiaceae (Rhodophyta) from Hawai'i. Pacific Science 46 (4): 453 - 465."]}

Published
2023
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17. Campylaephora gardneri Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Campylaephora gardneri, Ceramiales, Florideophyceae, Rhodophyta, Campylaephora, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Campylaephora gardneri (Kylin) Barros-Barreto & Maggs, comb. nov. Ceramium gardneri Kylin, Lunds Universitets Årsskrift, Ny Följd , Andra Afdelningen 37 (2): 29 (Kylin 1941). LECTOTYPE. — United States. California, Monterey County, Pescadero Point (Kylin 1941: 29), 36°33’43.7328”N, 121°57’11.2932”W, on rocks and algae in the lower littoral, V.1916, 2248 N. L. Gardner (lecto-, designated by Cho et al. [2002: 558], UC [UC2076252]). NOTE Cho et al. (2002: 558) noted that there are two tetrasporangial specimens attached on the herbarium sheet of the published exsiccata Phycotheca Boreali-Americana (P. B.- A.)XLV,no.2248, at LD. Cho designated both of these thalli as the lectotype. Isotypes are in UC and NY, and thus published exsiccata (P. B.- A.) in other herbaria holding would also be isotypes., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 25, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["KYLIN H. 1941. - Californische Rhodophyceen. Lunds Arsskrijt, Ny Foljd, Andra Afdelningen 37: 1 - 51.","CHO T. O., BOO S. M. & HANSEN G. I. 2002. - Structure and reproduction of the genus Ceramium (Ceramiales, Rhodophyta) from Oregon, USA. Phycologia 40: 547 - 71."]}

Published
2023
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18. Campylaephora boydenii Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Campylaephora, Biodiversity, Campylaephora boydenii, Plantae, Ceramiaceae, Taxonomy
Abstract

Campylaephora boydenii (Gepp) Barros-Barreto & Maggs, comb. nov. Ceramium boydenii E.S.Gepp, Journal of Botany, London 42: 164, pl. 460, figs 1-3 (Gepp 1904). HOLOTYPE. — China. Wei-hei-wai, Liu-kung-tao Island. Illustration in Gepp (1904). EPITYPE. — Japan. Sea of Japan, Fukui Prefecture, Echizen, Kuriya, Drift, 5.VII.1971, Hommersand s.n. (epi-, here designated, NCU [NCU-A-0004403]). NOTES In the publication E. S. Gepp did not designate a holotype, but he included (and referred to in the description) an illustration that we designate as the holotype. However, the figures are not very detailed and are not useful for identification. We therefore designate a collection made in Japan by M. Hommersand (specimen NCU-A-0004403) as an epitype. The latter is a very complete specimen, with reproductive structures present, and was the source of tissue for obtaining the DNA sequence data in this study., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 24, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["GEPP E. S. 1904. - Chinese marine algae. Journal of Botany, London 42: 161 - 166."]}

Published
2023
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19. Yoneshiguea affinis Barros-Barreto, Maggs & M. A. Jaramillo 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Yoneshiguea, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Yoneshiguea affinis, Ceramiaceae, Taxonomy
Abstract

Yoneshiguea affinis (Setchell & N.L.Gardner) Barros-Barreto, Maggs & M.A.Jaramillo, comb. nov. Ceramium affine Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 19: 172 (Setchell & Gardner 1930). TYPE LOCALITY. — Mexico. Baja California, Isla Guadalupe. HOLOTYPE. — Mexico. Baja California, Isla Guadalupe, 25.IV.1924, H.L. Mason no. 36, (holo-, UC [UC2056026]). GENBANK. — DQ458920 (rbc L), MW354769 (COI-5P)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 29, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SETCHELL W. A. & GARDNER N. L. 1930. - Marine algae of the Revillagigedo Islands Expedition in 1925. Proceedings of the California Academy of Sciences, Series 4, 19: 109 - 215."]}

Published
2023
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20. Stirkia interrupta Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Stirkia interrupta, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Stirkia interrupta (Setchell & N.L.Gardner) Barros-Barreto & Maggs, comb. nov. Ceramium interruptum Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 12: 775, pl. 27, fig. 58 (Setchell & Gardner 1924). TYPE LOCALITY. — United States. California, Eureka, near La Paz. HOLOTYPE. — United States. California, Eureka, near La Paz, V.1917, Marchant no. 78 (holo-, UC)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SETCHELL W. A. & GARDNER N. L. 1924. - New marine algae from the Gulf of California. Proceedings of the California Academy of Sciences, Series 4, 12: 695 - 949."]}

Published
2023
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21. Stirkia vaga Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Stirkia vaga, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Stirkia vaga (P.C.Silva) Barros-Barreto & Maggs, comb. nov. Ceramium vagans P.C.Silva, Smithsonian Contributions to Marine Sciences 27: 56 (Silva et al. 1987). Ceramium vagabundum E.Y.Dawson, nom illeg., Pacific Science 11: 121, fig. 27E (as “vagabunde”) (Dawson 1957). TYPE LOCALITY. — Marshall Islands. Eniwetok Atoll, Parry Island. HOLOTYPE. — Marshall Islands. Eniwetok Atoll, Parry Island, 19.VIII.1955, Dawson no. 13620a (holo-, BISH)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 29, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SILVA P. C., MENEZ E. G. & MOE R. L. 1987. - Catalog of the benthic marine algae of the Philippines. Smithsonian Contributions to Marine Sciences 27: 1 - 179.","DAWSON E. Y. 1957. - An annotated list of marine algae from Eniwetok Atoll, Marshall Islands. Pacific Science 11: 92 - 132."]}

Published
2023
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22. Campylaephora kondoi Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Campylaephora, Biodiversity, Campylaephora kondoi, Plantae, Ceramiaceae, Taxonomy
Abstract

Campylaephora kondoi (Yendo) Barros-Barreto & Maggs, comb. nov. Ceramium kondoi Yendo, Botanical Magazine, Tokyo 34: 9 (Yendo 1920). SYNTYPE LOCALITY. — “Hab. in mari Japonia, ad insulam Rishiri, in portu Otaru (Kingo Kondo), portu Hakodate (ipse), prov. Echigo (Nou Fisheries School, no. 12)” (Yendo 1920: 9). LECTOTYPE. — Japan. Hokkaido, Harius (lecto-, designated by Cho et al. [2002: 564], SAP [SAP 67]). NOTES Cho et al. (2002: 564) gave “Harius, Hokkaido, Japan ” as the type locality.

Published
2023
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23. Pseudoceramium Barros-Barreto & Jaramillo & Hommersand & G & Ferreira & Maggs 2023, gen. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Genus Pseudoceramium Barros-Barreto & Maggs, gen. nov. Terete plants with pseudodichotomous branching and forcipate tips, corticated at the nodes. Cortical development consisting of 7-10 periaxial cells cutting off four cortical initial cells; or cutting of two acropetal cells that laterally form a pseudoperiaxial cell; or two acropetal and two basipetal and a pseudoperiaxial cell. Tetrasporangia originating from periaxial cells uni- or bilaterally, forming 2-3 tetrasporangia covered by cortical cells. TYPE SPECIES. — Pseudoceramium oliveirarum Barros-Barreto, Maggs & M.A.Jaramillo, sp. nov. ETYMOLOGY. — From the Greek pseudes meaning “false”, referring to the pseudoperiaxial cell being cut off laterally from a periaxial cell but then observed in the ring of the periaxial cells., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 26, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655

Published
2023
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24. Yoneshiguea Barros-Barreto, Maggs & M. A. Jaramillo 2023, gen. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Yoneshiguea, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Genus Yoneshiguea Barros-Barreto, Maggs & M.A.Jaramillo, gen. nov. Thalli terete with straight apices. Node formed by 4-6 periaxial cells cutting off two acropetal cells. Tetrasporangia formed by periaxial cells, 1-3 per node, naked or partially covered by cortical cells; tetrasporangia unilateral to bilateral (Fig. 1E, K, O). TYPE SPECIES. — Yoneshiguea affinis (Setchell & Gardner) Barros-Barreto, Maggs & M.A.Jaramillo, comb. nov. ETYMOLOGY. — The name was selected to honour a pioneering female Brazilian phycologist, Yocie Yoneshigue-Valentin.

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2023
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25. Stirkia brasiliensis Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Stirkia brasiliensis, Plantae, Ceramiaceae, Taxonomy
Abstract

Stirkia brasiliensis (A.B.Joly) Barros-Barreto & Maggs, comb. nov. Ceramium brasiliense A.B.Joly, Boletim da Faculdade de Filosofia, Ciências e Letras, Universidade de São Paulo, Botânica 14: 148, pl. 18, fig. 1A-D (Joly 1957). TYPE LOCALITY. — Brazil. São Paulo State, Prainha, São Vicente. HOLOTYPE. — Brazil. São Paulo State, Prainha, São Vicente, 20.VII.1955, Joly 24-1955 (holo-, BM [BM000562289])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["JOLY A. B. 1957. - Contribuicao ao conhecimento da flora ficologica marinha da Baia de Santos e Arredores. Boletim da Faculdade de Filosofia da Universidade de Sao Paulo, Botanica 14: 3 - 199."]}

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2023
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26. Celeceras pusilla Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Celeceras pusilla, Ceramiaceae, Celeceras, Taxonomy
Abstract

Celeceras pusilla (Harvey) Barros-Barreto & Maggs, comb. nov. Ceramium pusillum Harvey, Phycologia Australica 5: xlvii-xlviii (Harvey 1863). TYPE LOCALITY. — Australia. Victoria, Port Fairy, 38°22’3.19”S, 142°15’26.62”E. LECTOTYPE. — Australia. Victoria, Port Fairy, 38°22’3.19”S, 142°15’26.62”E, Harvey (lecto-, designated by Womersley [1978: 221], TCD[Herb. Harvey, Alg. Aust. Exsicc. 474D]). ISOTYPE. — Australia. Victoria, Port Fairy, 38°22’3.19”S, 142°15’26.62”E (iso-, MEL [MEL 45330])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 26, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["HARVEY W. H. 1863. - Phycologia australica: or, a history of Australian seaweeds; comprising coloured figures and descriptions of the more characteristic marine algae of New South Wales, Victoria, Tasmania, South Australia, and Western Australia, and a synopsis of all known Australian algae. Vol. 5. Lovell Reeve, London, 73 p.","WOMERSLEY H. B. S. 1978. - Southern Australian species of Ceramium Roth (Rhodophyta). Marine and Freshwater Research 29 (2): 205 - 257. https: // doi. org / 10.1071 / MF 9780205"]}

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2023
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27. Yoneshiguea compta Barros-Barreto, Maggs & M. A. Jaramillo 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Yoneshiguea, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Yoneshiguea compta, Plantae, Ceramiaceae, Taxonomy
Abstract

Yoneshiguea compta (BØrgesen) Barros-Barreto, Maggs & M.A.Jaramillo, comb. nov. Ceramium comptum BØrgesen, Dansk Botanisk Arkiv 4 (7): 28-29, fig. 10 (BØrgesen 1924). TYPE LOCALITY. — Dominican Republic. Beata Island (Silva et al. 1996: 393). HOLOTYPE. — Dansk Botanisk Arkiv 4 (7): 29, fig.10(BØrgesen 1924).

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2023
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28. Stirkia Barros-Barreto & Jaramillo & Hommersand & G & Ferreira & Maggs 2023, gen. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Genus Stirkia Barros-Barreto & Maggs, gen. nov. Thalli mainly erect, 10-200 mm high, consisting of irregularly branched axes with a wide variation in habit between species.Axes terete, partially to completely corticated, with apices straight to forcipate. Nodes formed by 6-8 periaxial cells each cutting off four cortical initials, two acropetal and two basipetal. Tetrasporangia formed by periaxial cells, unilateral/bilateral to verticillate, 1-3 per node, sometimes in stichidia-like groups immersed in the thalli. The rbc L alignment positions 696- 709 5’ GAACGATATGATCTT 3’ generated in this study. TYPE SPECIES. — Stirkia fujiana (Barros-Barreto & Maggs) Barros-Barreto & Maggs, comb. nov. ETYMOLOGY. — The name Stirkia was chosen to honour Wendy A. Stirk, who worked on growth and morphogenesis of Stirkia juliae (A.Millar) Barros-Barreto & Maggs, comb. nov.

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2023
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29. Stirkia horrida Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Stirkia horrida, Ceramiaceae, Taxonomy
Abstract

Stirkia horrida (Setchell & N.L.Gardner) Barros-Barreto & Maggs, comb. nov. Ceramium horridum Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 12: 777, pl. 26, figs 49, 50, pl. 79 (Setchell & Gardner 1924). TYPE LOCALITY. — Mexico. Sonora, Guaymas. HOLOTYPE. — Mexico. Sonora, Guaymas, V.1917, Marchant no. 91 (holo-, UC [UC1462246])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SETCHELL W. A. & GARDNER N. L. 1924. - New marine algae from the Gulf of California. Proceedings of the California Academy of Sciences, Series 4, 12: 695 - 949."]}

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2023
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30. Stirkia codicola Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Stirkia codicola, Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Stirkia codicola (J.Agardh) Barros-Barreto & Maggs, comb. nov. Ceramium codicola J.Agardh, Lunds Universitets ÅrsSkrift, Andra Afdelningen, Kongl. Fysiografiska Sällskapets i Lund Handlingar 30 (7): 23 (Agardh 1894). Ceramium codiophilum Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 22: 89, pl. 8, figs 23, 24 (Setchell & Gardner 1937). TYPE LOCALITY. — United States. California, Santa Cruz. ISOTYPE. — United States. California, Santa Cruz, 36°58’40.0152”N, 122°1’20.244”W, W. G. Farlow LD 20930 (iso-, designated by Cho et al. [2002: 557], UC [UC1859260])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["AGARDH J. G. 1894. - Analecta Algologica, Continuatio II. Lunds Universitets Ars-Skrift, Andra Afdelningen, Kongl. Fysiografiska Sallskapets i Lund Handlingar 30 (7): 1 - 99.","SETCHELL W. A. & GARDNER N. L. 1937. - The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 31: A preliminary report on the algae. Proceedings of the California Academy of Sciences, Series 4, 22: 65 - 98.","CHO T. O., BOO S. M. & HANSEN G. I. 2002. - Structure and reproduction of the genus Ceramium (Ceramiales, Rhodophyta) from Oregon, USA. Phycologia 40: 547 - 71."]}

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2023
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31. Reinboldiella filicula Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Reinboldiella filicula, Ceramiales, Florideophyceae, Reinboldiella, Rhodophyta, Biodiversity, Plantae, Ceramiaceae, Taxonomy
Abstract

Reinboldiella filicula (Harvey ex Womersley) Barros-Barreto & Maggs, comb. nov. Ceramium filiculum Harvey ex Womersley, Marine and Freshwater Research 29 (2): 238, figs 4E, F, 15 A-E (Womersley 1978). TYPE LOCALITY. — Australia. South Australia, Port Noarlunga. HOLOTYPE. — Australia. South Australia, Port Noarlunga, in low eulittoral pools on offshore reef, on basal leaves of Sargassum lacerifolium (Turner) C.Agardh, 13.III.1977 (holo-, ADU [ADU A47978])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 27, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["WOMERSLEY H. B. S. 1978. - Southern Australian species of Ceramium Roth (Rhodophyta). Marine and Freshwater Research 29 (2): 205 - 257. https: // doi. org / 10.1071 / MF 9780205"]}

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2023
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32. Carpoblepharis obsoleta Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Carpoblepharis, Biodiversity, Carpoblepharis obsoleta, Plantae, Ceramiaceae, Taxonomy
Abstract

Carpoblepharis obsoleta (C.Agardh) Barros-Barreto & Maggs, comb. nov. Ceramium obsoletum C.Agardh, Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis.Voluminis secondi, Sectio prior: 145 (Agardh 1828). TYPE LOCALITY. — South Africa. Cape of Good Hope (Silva et al. 1996: 400). LECTOTYPE. — South Africa. Cape of Good Hope, C.Agardh collection 21490 A, B and C (lecto-, here designated, LD). NOTE The original description does not indicate a type, neither does it mention a specimen that can be designated as holotype. Thus, we designated as lectotype C.Agardh’s collection in Lund Herbarium 21490 A (male plant), B (tetrasporophyte), C (male plant) following Simons 1992 annotations., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 25, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["AGARDH C. A. 1828. - Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Vol. 2. Sect. 1. Ernst Mauritius, Leipzig, 189 p.","SILVA P. C., BASSON P. W. & MOE R. L. 1996. - Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1 - 1259."]}

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2023
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33. Pseudoceramium tenerrimum Barros-Barreto & Jaramillo & Hommersand & G & Ferreira & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Pseudoceramium tenerrimum, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Pseudoceramium tenerrimum (G.Martens) Barros-Barreto & Maggs, comb. nov. Ceramium tenerrimum (G.Martens) Okamura, Icones of Japanese Algae IV: 112-114, pl. 179, figs 1-7 (Okamura 1921). — Basionym: Hormoceras tenerrimum G.Martens, Die Tange. Die Preussische Expedition nach Ost-Asien. Nach Theil, Botanischer Theil: 146, pl. VIII, fig. 2 (Martens 1868). TYPE LOCALITY. — Japan. Nagasaki. HOLOTYPE. — Japan. Nagasaki, IV.1861.

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2023
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34. Pseudoceramium brevizonatum Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Pseudoceramium brevizonatum, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Pseudoceramium brevizonatum (H.E.Petersen) Barros-Barreto & Maggs, comb. nov. Ceramium brevizonatum H.E.Petersen in Schmidt, Report on the Danish Oceanographic expeditions 1908-1910 to the Mediterranean and adjacent seas 2: 14, figs 8, 9 (Petersen 1918). SYNTYPE LOCALITIES. — Algeria. Algiers. France. Menton. SYNTYPES. — Silva et al. 1996: 390., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 26, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["PETERSEN P. E. 1918. - Algae (excl. calcareous algae). Report on the Danish Oceanographic expeditions 1908 - 1910 to the Mediterranean and adjacent seas. Vol. 2. Copenhagen, 20 p.","SILVA P. C., BASSON P. W. & MOE R. L. 1996. - Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1 - 1259."]}

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2023
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35. Pseudoceramium paniculatum Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Pseudoceramium paniculatum, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Pseudoceramium paniculatum (Okamura) Barros-Barreto & Maggs, comb. nov. Ceramium paniculatum Okamura, Icones of Japanese algae IV: 114, pl. 179, figs 8-16 (Okamura 1921). TYPE LOCALITY. — Japan. Iwaki Province, Kamahara. HOLOTYPE. — Japan. Iwaki Province, Kamahara, M. K. Nemoto (holo-, SAP [Herb. Okamura, Alg. Jap. Exsic. n. 2]!)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 27, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["OKAMURA K. 1921. - Icones of Japanese algae. Vol. IV: 63 - 149."]}

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2023
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36. Stirkia juliae Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Stirkia juliae, Ceramiaceae, Taxonomy
Abstract

Stirkia juliae (A.Millar) Barros-Barreto & Maggs, comb. nov. Ceramium juliae A.Millar, Australian Systematic Botany 15: 494, figs 1-12 (2002). TYPE LOCALITY. — Australia. New South Wales, Honeysuckle Point, Twofold Bay. HOLOTYPE. — Australia. New South Wales, Honeysuckle Point, Twofold Bay, 15 m deep, 37°05’57”S, 149°56’21”E, 4.II.1992, A. Millar s.n. (holo-, NSW [NSW605422], slide 12-97)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 28, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655

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2023
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37. Celeceras novae-zelandiae Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Celeceras novae-Zelandiae, Biodiversity, Plantae, Ceramiaceae, Celeceras, Taxonomy
Abstract

Celeceras novae-zelandiae (J.Agardh) Barros-Barreto & Maggs, comb. nov. Microcladia novae-zelandiae J.Agardh, Lunds Universitets Arsskrift Andra Afdelningen, Kongl. Fysiografiska Sällskapets i Lund Handlingar 33 (9): 35 (Agardh 1897). TYPE LOCALITY. — New Zealand. South Island, Clair, Dunedin. HOLOTYPE. — New Zealand. South Island, Clair, Dunedin, 25.XII.1896, J. C. Smith, Herb. Agardh 21963 (holo-, LD [LD 2100380])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 25, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["AGARDH J. G. 1897. - Analecta Algologica, Continuato IV. Lunds Universitets Arsskrift Andra Afdelningen, Kongl. Fysiografiska Sallskapets i Lund Handlingar 33 (9): 1 - 106."]}

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2023
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38. Stirkia pacifica Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Stirkia pacifica, Ceramiaceae, Taxonomy
Abstract

Stirkia pacifica (Collins) Barros-Barreto & Maggs, comb. nov. Ceramium pacificum (Collins) Kylin, Lunds Universitets Årsskrift, Ny Följd, Andra Afdelningen 21 (9): 65 (Kylin 1925). — Basionym: Ceramium rubrum var. pacificum Collins, Geological Survey. Victoria Memorial Museum, Bulletin 1: 125 (Collins 1913). Ceramium washingtoniense Kylin, Lunds Universitets Årsskrift, Ny Följd, Andra Afdelningen 21 (9): 62 (Kylin 1925). — Type: United States. Washington, False Bay, San Juan Island, 24.VII.1924, H. Kylin (LD [LD 1265409]). TYPE LOCALITY. — United States. Monterey, California (Cho et al. 2002: 565). LECTOTYPE. — United States. Monterey, California (lecto-, designated by Cho et al. [2002: 565], FH)., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on pages 28-29, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["KYLIN H. 1925. - The marine red algae in the vicinity of of the Biological Station at Friday Harbor, Wash. Lunds Universitets Arsskrift, Ny Foljd, Andra Afdelningen 21 (9): 1 - 87.","COLLINS F. S. 1913. - The marine algae of Vancouver Island. Geological Survey. Victoria Memorial Museum, Bulletin 1: 99 - 137.","CHO T. O., BOO S. M. & HANSEN G. I. 2002. - Structure and reproduction of the genus Ceramium (Ceramiales, Rhodophyta) from Oregon, USA. Phycologia 40: 547 - 71."]}

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2023
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39. Pseudoceramium inkyui Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Pseudoceramium inkyui, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Pseudoceramium inkyui (T.O.Cho, Fredericq & S.M.Boo) Barros-Barreto & Maggs, comb. nov. Ceramium inkyui T.O.Cho, S.Fredericq & S.M.Boo, Journal of Phycology 39: 237, figs 2-6 (Cho et al. 2003). TYPE LOCALITY. — South Korea. Kyungju, on cliff below the lighthouse in Gampo. HOLOTYPE (TETRASPOROPHYTE). — South Korea. Kyungju, on cliff below the lighthouse in Gampo, 8.IX.1999 (holo-, CNUK [CNUK c000215])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 27, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["CHO T. O., FREDERICQ S. & BOO S. M. 2003. - Ceramium inkyuii sp. nov. (Ceramiaceae, Rhodophyta) from Korea: A new species based on morphological and molecular evidence. Journal of Phycology 39: 236 - 47."]}

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2023
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40. Pseudoceramium clarionense Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Pseudoceramium clarionense, Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Taxonomy
Abstract

Pseudoceramium clarionense (Setchell & N.L.Gardner) Barros-Barreto & Maggs, comb. nov. Ceramium clarionense Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 19: 170, pl. 7, figs 25-27 (Setchell & Gardner 1930). TYPE LOCALITY. — Mexico. Revillagigedo Archipelago, Isla Clarión. HOLOTYPE. — Mexico. Revillagigedo Archipelago, Isla Clarión, VI.1925, H.L. Mason no. 75 (holo-, CAS [CAS 173620])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 27, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SETCHELL W. A. & GARDNER N. L. 1930. - Marine algae of the Revillagigedo Islands Expedition in 1925. Proceedings of the California Academy of Sciences, Series 4, 19: 109 - 215."]}

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2023
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41. Pseudoceramium oliveirarum Barros-Barreto, Maggs & M. A. Jaramillo, sp. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Biodiversity, Plantae, Pseudoceramium, Ceramiaceae, Pseudoceramium oliveirarum, Taxonomy
Abstract

Pseudoceramium oliveirarum Barros-Barreto, Maggs & M.A.Jaramillo, gen. nov., sp. nov. Plants mainly erect, 10-200 mm high, pseudodichotomously branched. Axes partially corticated, with apices strongly forcipate.Nodes formed by 8-9 periaxial cells each cutting off laterally 1-2 pseudoperiaxial cells. Periaxial cells also cut off two acropetal cells. Tetrasporangia formed by periaxial cells, unilateral/bilateral to verticillate, 1-3 per node, partially covered by cortical cells. TYPE LOCALITY. — Brazil. Espírito Santo, Costão, Itapemirim. HOLOTYPE. — Brazil. Espírito Santo, Costão, Itapemirim, 04.III.2004, M. B. Barreto no. 47 (holo-, RB [RB 420029]). GENBANK. — DQ458932 (rbc L), MW354756 (LSU), MW354770 (COI-5P). ETYMOLOGY. — The epithet oliveirarum was chosen to honour Eurico Cabral de Oliveira Filho and Mariana Cabral de Oliveira, father and daughter who are exemplary Brazilian phycologists. NOTES This new species circumscribes a previously known taxon, widely distributed on the Brazilian coasts, usually identified as Ceramium brevizonatum var. caraibicum. Detailed morphology and distribution are shown in Barros-Barreto & Yoneshigue-Valentin (2001) and Barros-Barreto et al. (2006). Its main morphological character is the node formed of 1-2 acropetal cells layers, 3-16 µm high, and periaxial cells cutting off 1-2 pseudoperiaxial cells 14-32 µm high. Axial cells are 60-140 µm in diameter and 42-142 µm high; 1-2 protruding unilateral tetrahedral tetrasporangia are partially covered by cortical cells 40-80 µm in diameter. This species is erected because it differs from Ceramium brevizonatum H.E.Petersen in having pseudoperiaxial cells and has a 3-4% genetic divergence for rbc L., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 26, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["BARROS-BARRETO M. B. & YONESHIGUE-VALENTIN Y. 2001. - Aspectos morfologicos do genero Ceramium (Ceramiaceae, Rhodophyta) no Estado do Rio de Janeiro. Hoehnea 28: 77 - 110.","BARROS-BARRETO M. B., MCIVOR L., MAGGS C. A. & GOMES FERREIRA P. C. 2006. - Molecular systematics of Ceramium and Centroceras (Ceramiaceae, Rhodophyta) from Brazil. Journal of Phycology 42 (4): 905 - 921. https: // doi. org / 10.1111 / j. 1529 - 8817.2006.00237. x"]}

Published
2023
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42. Campylaephora sungminbooi Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Campylaephora, Biodiversity, Plantae, Campylaephora sungminbooi, Ceramiaceae, Taxonomy
Abstract

Campylaephora sungminbooi (J.R.Hughey & G.H.Boo) Barros-Barreto & Maggs, comb. nov. Ceramium sungminbooi J.R.Hughey & G.H.Boo, Botanica Marina 59 (4): 215, figs 1-5 (21-16) (Hughey & Boo 2016). TYPE LOCALITY. — South Korea. Jindo, Hoedong, 34°25’20.6”N, 126°20’50.5”E (Hughey & Boo 2016: 215). HOLOTYPE (TETRASPOROPHYTE). — South Korea. Jindo, Hoedong, 34°25’20.6”N, 126°20’50.5”E, attached to pebbles on the mudflat, 28.II.2002, S.M. Boo, G.Y. Cho & E.C. Yang s.n. (holo-, CNUK [CNU065811]). ISOTYPES. — South Korea. Jindo, Hoedong, 34°25’20.6”N, 126°20’50.5”E, 28.II.2002 (iso-, CNUK [CNU065809, CNU065810])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 25, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["HUGHEY J. R. & BOO G. H. 2016. - Genomic and phylogenetic analysis of Ceramium cimbricum (Ceramiales, Rhodophyta) from the Atlantic and Pacific Oceans supports the naming of a new invasive Pacific entity Ceramium sungminbooi sp. nov. Botanica Marina 59 (4): 211 - 222. https: // doi. org / 10.1515 / bot- 2016 - 0036"]}

Published
2023
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43. Stirkia sinicola Barros-Barreto & Maggs 2023, comb. nov

Author

Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G., and Maggs, Christine A.

Subjects
Ceramiales, Florideophyceae, Rhodophyta, Stirkia, Biodiversity, Plantae, Ceramiaceae, Taxonomy, Stirkia sinicola
Abstract

Stirkia sinicola (Setchell & N.L.Gardner) Barros-Barreto & Maggs, comb. nov. Ceramium sinicola Setchell & N.L.Gardner, Proceedings of the California Academy of Sciences, Series 4, 12: 773, pl. 25, figs 40, 41, pl. 75 (Setchell & Gardner 1924). TYPE LOCALITY. — Mexico. Baja California, Ensenada Bay. HOLOTYPE. — Mexico. Baja California, Ensenada Bay, 7.IV.1921, Ivan M. Johnston no. 67b (holo-, UC [UC1859340])., Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 20 (2) on page 29, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655, {"references":["SETCHELL W. A. & GARDNER N. L. 1924. - New marine algae from the Gulf of California. Proceedings of the California Academy of Sciences, Series 4, 12: 695 - 949."]}

Published
2023
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