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New chorological data are presented for 164 species and subspecies from Bulgaria (1, 2, 76, 127-139, 142, 158-162), Greece (32-62, 77-126, 140-141, 143-157, 163, 164), Republic of North Macedonia (63-75), and Turkey-in-Europe (3-31). The taxa belong to the following families: Alliaceae (61, 77-81, 137), Amaryllidaceae (2, 82), Anacardiaceae (4, 32), Apiaceae (5-16, 129, 143, 144), Araceae (85), Arecaceae (85), Asclepiadaceae (33), Asparagaceae (138), Asphodelaceae (125, 162), Aspleniaceae (127), Asteraceae (17-26, 44-48, 63, 118, 145, 159-161), Berberidaceae (140), Betulaceae (163), Boraginaceae (64, 65, 146), Brassicaceae (49, 147), Campanulaceae (66, 67), Capparaceae (34), Caryophyllaceae (142, 150), Casuarinaceae (35), Chenopodiaceae (50), Colchicaceae (86), Convallariaceae (155, 156), Convolvulaceae (51), Cyperaceae (87-89), Equisetaceae (3), Ericaceae (52), Euphorbiaceae (27, 53, 54), Fabaceae (68, 69, 119), Grossulariaceae (130), Hyacinthaceae (90-93), Iridaceae (94-98, 126, 139, 141, 158), Juncaceae (99, 100), Lamiaceae (55, 56, 120, 131, 151), Liliaceae (101), Lythraceae (28, 132), Moraceae (121), Oleaceae (36), Onagraceae (37, 70), Ophioglossaceae (1), Orchidaceae (75, 76), Orobanchaceae (29), Pinaceae (128), Plantaginaceae (152), Plumbaginaceae (38), Poaceae (30, 31, 43, 102-117, 157), Portulacaceae (57), Primulaceae (71, 122), Ranunculaceae (123, 133, 148), Rosaceae (72, 134, 135), Rutaceae (153), Santalaceae (58, 154), Scrophulariaceae s.l. (73, 124), Simaroubaceae (39), Solanaceae (40-42, 59, 164), Thymelaeaceae (60), Typhaceae (62), Ulmaceae (136), and Violaceae (74, 149). A new taxon for a country is: Greece - Berberis aquifolium (140). The publication includes contributions by: A. Asenov (1), A. Asenov & P. Avreyska (2), M. Aybeke (3-31), B. Biel & Kit Tan (32-43), C. Cattaneo & M. Grano (44-62), D. Dimitrov (63-75), I. Gavalas, R. Jahn & Kit Tan (77-117), V. Ioannidis, D. Doulkeridou, K. Marianthi & A. Strid (118-126), T. Karakiev (127-139), D. Mermygkas & M. Dimaki (140, 141), S. Stoyanov & Y. Marinov (142), Kit Tan & G. Kofinas (143-149), Kit Tan & Sister Pachomia (150-157), V. Trifonov (158), V. Vladimirov (159-162), and G. Zarkos & Kit Tan (163, 164). [ABSTRACT FROM AUTHOR]

The presented study describes some morphological and anatomical features of collected specimens of Sisyrinchium rosulatum E.P.Bicknell, from the first reported locality in Bulgaria. The isolated DNA sequences from the nuclear ITS1 - 5.8S rDNA - ITS2 region and the chloroplast rpoC1 gene proved the recognition of S. rosulatum and excluded the previously noticed S. montanum and S. angustifolium. [ABSTRACT FROM AUTHOR]

New chorological data are presented for 114 species and subspecies from Bosnia and Herzegovina (79), Bulgaria (39-61), Greece (8-38, 62-78, 80-114), and Turkey-in-Europe (1-7). The taxa belong to the following families: Aceraceae (108), Alliaceae (38, 106), Apiaceae (8, 35, 62-65, 87), Aristolochiaceae (1), Asclepiadaceae (74), Asparagaceae (107), Asphodelaceae (89), Aspleniaceae (40-43), Asteraceae (2, 3, 9, 10, 36, 66, 75, 88, 91-93, 99, 109, 110), Athyriaceae (44, 45), Boraginaceae (11, 12, 79, 94), Brassicaceae (4, 13, 67, 100), Callitrichaceae (14), Caprifoliaceae (15), Caryophyllaceae (84), Chenopodiaceae (16), Colchicaceae (90), Convolvulaceae (17), Crassulaceae (5, 95), Cucurbitaceae (101), Cupressaceae (98), Cyperaceae (78), Cystopteridaceae (46-48), Dennstaedtiaceae (49), Dryopteridaceae (50-59), Euphorbiaceae (102), Fabaceae (6, 7, 18-20, 103), Geraniaceae (80, 96), Hyacinthaceae (97), Hypericaceae (68), Iridaceae (82), Juncaceae (73, 83), Lamiaceae (21, 37, 81, 111), Ophioglossaceae (60), Orobanchaceae (39), Paeoniaceae (104), Plantaginaceae (85), Poaceae (28-34), Polygonaceae (22, 69), Rafflesiaceae (23, 86), Resedaceae (76), Rhamnaceae (24), Rosaceae (25-27, 112), Rubiaceae (70), Scrophulariaceae s.l. (71, 113, 114), Solanaceae (72), Thelypteridaceae (61), Thymelaeaceae (105), and Valerianaceae (77). New species for science are: Plantago charalampidis Strid & al. (85) and Geranium margaritae Kit Tan & al. (96). New taxa for the countries are: Greece – Carex secalina (78), Sedum sarmentosum (95), and Scilla sicula (97). The publication includes contributions by: M. Aybeke (1-7), B. Biel & Kit Tan (8-34), C. Cattaneo & M. Grano (35-38), D. Gyurova (39), K. Lakovski & D. Ivanova (40-61), R. Marchant, Kit Tan & J. Zieliński (62- 73), K. Polymenakos, Kit Tan & V. Pantavos (74-78), E. Šabanović & V. Ranđelović (79), K.B. Simoglou & Kit Tan (80-82), K. Sutorý (83), A. Strid (84-86), Kit Tan & K. Giannopoulos (87-90), Kit Tan & G. Kofinas (91-97), Kit Tan, Sister Pachomia & J. Zieliński (98-107), and G. Zarkos & Kit Tan (108-114). [ABSTRACT FROM AUTHOR]

In the Pirin Mountains, at an elevation of around 1000 m, three populations of a new species of Bulgarian flora from the genus Crocus, series Verni, were discovered. The species was compared to the morphologically related C. veluchensis, and presented with diagnostic morphological and anatomical features. Despite the high degree of morphological similarity, the molecular analysis, which included sequences from all related species (C. cvijicii, C. dalmaticus, C. jablanicensis, C. rujanensis, C. sieberi subsp. atticus, and C. veluchensis), distinguished the Pirin Mountains' populations, and revealed the closest relationship to C. heuffelianus. Despite the C. heuffelianus/C. verni complex's uncertain taxonomic status, our findings on the local population, based on morphometric, anatomical, molecular, and geographic analyses, indicate its belonging to the putative allotetraploid C. heuffelianus of south-eastern Europe and the Balkans, and an expansion of its range to the southeast. Given the taxonomic uncertainty and unclear phylogenetic relationships of the taxa in the Crocus vernus complex, we considered it appropriate to accept our taxon as Crocus heuffelianus. So far, only C. tommasinianus Herb. has been found in Bulgarian flora from the Crocus series Verni, but in terms of altitude and morphological features, the species from our collection is close to the Balkan endemic C. veluchensis, which belongs to the C. sieberi aggregate. Morphologically, it differs by the dark, heart-shaped spots on the tip of the tepals, and the presence of one bract. A detailed comparative anatomical analysis between the three species of crocuses from the series Verni in Bulgaria shows discrete differences: the width of the white stripe and lacunar area are good distinguishing features, as are the number of conducting vessels. [ABSTRACT FROM AUTHOR]

Sisyrinchium is one of the largest genera in Iridaceae, comprising more than 200 species and native to Hawaiian Islands, Temperate and Subtropical America to Falkland Islands. In Bulgaria, the genus was first reported in 1972 with the species S. angustifolium. In 2020, during field work near the Oshtava village, Kresna district (SW Bulgaria), a species of Sisyrinchium was discovered. The taxon was identified as S. rosulatum. The aim of the present article is to report S. rosulatum as a new species to the Bulgarian flora and to provide data about its main distinguishing morphological characters and its distribution and habitats in Bulgaria. The genome size of the species, obtained from the Bulgarian accessions, is 1C = 1.00-1.08 pg which is congruent with earlier data from elsewhere. Based on field observations, it can be inferred that S. rosulatum is a naturalized, yet non-invasive alien species in the Bulgarian flora. A careful examination of the previously collected herbarium material of Sisyrinchium from Bulgaria revealed all specimens belong to S. rosulatum. [ABSTRACT FROM AUTHOR]

This is the first report on the autumn-flowering species Crocus speciosus, belonging to C. ser. Speciosi from the Bulgarian flora. The species was found in Southeastern Bulgaria, in the area between Ahtopol and Rezovo. Re-examining the Bulgarian collections, the earliest specimen was collected in 1975, was probably overlooked, and most likely determined as C. pulchellus. The nearest known localities of the species are on the territory of Türkiye. In this study, we compared C. pulchellus and C. ibrahimii using DNA sequence data from the nuclear ITS1/2 region and morphological features. Our study showed a close relationship between the specimens from Bulgaria and the recently deposited data of C. speciosus and their separation from the closely related C. pulchellus. Together with the previously cited white anthers as a key feature for determination, the molecular data confirmed a clear distinction between the samples with white anthers in the two species. The morphological data of our taxon overlapped with the description of C. ibrahimii. The molecular data strongly supported the affiliation of C. speciosus s.l., but did not support the recognition of C. ibrahimii as a separate species and it should be referred to as a subspecies of C. speciosus subsp. ibrahimii Rukšāns. [ABSTRACT FROM AUTHOR]

New chorological data are presented for 291 species and subspecies from Bulgaria (73-96, 222-254, 274-281), Greece (15-72, 97-221, 255-273, 282-291), and Turkey-in-Europe (1-14). The taxa belong to the following families: Acanthaceae (101), Aizoaceae (102, 103), Alliaceae (272), Amaranthaceae (104-106, 231, 232), Amaryllidaceae (240), Anacardiaceae (107), Apiaceae (1, 108-112, 247, 265), Apocynaceae (113), Asclepiadaceae (114, 115), Aspleniaceae (213), Asteraceae (2, 15, 16, 37, 64, 65, 75-77, 116-145, 222-224, 233, 248, 255, 256, 264, 266), Boraginaceae (146-149, 257), Brassicaceae (3, 4, 38, 150-161, 225, 226, 258, 282), Cactaceae (162, 275), Callitrichaceae (55), Campanulaceae (283), Caryophyllaceae (5, 6, 17, 18, 39, 66, 78-81, 163-170, 234, 249, 259, 267, 268), Chenopodiaceae (40, 56, 171-173, 250), Cistaceae (235), Colchicaceae (273), Convolvulaceae (174), Crassulaceae (41, 57, 175), Cucurbitaceae (176, 214), Cupressaceae (99, 274), Cuscutaceae (82, 83), Cyperaceae (49, 71, 241), Dennstaedtiaceae (36), Equisetaceae (74), Euphorbiaceae (177-185, 251, 276), Fabaceae (19, 20, 42, 67-69, 186-212, 215, 227, 260-262, 284, 285), Fumariaceae (21), Geraniaceae (236), Hyacinthaceae (50, 72), Hypericaceae (216, 217), Iridaceae (253), Juncaceae (51, 254), Lamiaceae (7-9, 43, 84, 228, 237, 286, 287), Lauraceae (218), Lemnaceae (28), Malvaceae (44, 85), Molluginaceae (45), Onagraceae (86), Orchidaceae (279, 290), Papaveraceae (87, 229), Pinaceae (100), Poaceae (29-35, 52-54, 61-63, 96, 242-246, 263, 280, 281, 291), Polygonaceae (22, 23, 277), Pteridaceae (97, 98), Ranunculaceae (10, 11, 24, 46, 47, 58, 88, 230, 269), Rosaceae (25, 252, 278), Rubiaceae (12, 59, 70, 89-91), Santalaceae (288), Scrophulariaceae s.l. (13, 14, 92-94, 219, 238, 270, 271, 289), Smilacaceae (73), Solanaceae (26, 220, 239), Thymelaeaceae (221), Ulmaceae (95), Violaceae (60), and Vitaceae (27). [ABSTRACT FROM AUTHOR]

New chorological data are presented for 106 species and subspecies from Bulgaria (40-60, 62-70, 74, 75, 77, 78, 95, 96), Greece (14-39, 71-73, 76, 79-94, 97-106), and Turkey-in-Europe (1-13, 61). The taxa belong to the following families: Acanthaceae (93), Alliaceae (36), Apiaceae (14-16, 41, 42, 81, 95-97), Apocynaceae (98), Aristolochiaceae (99), Asteraceae (17-18, 43-46, 71, 84, 85, 100), Athyriaceae (41), Boraginaceae (47, 101, 102), Brassicaceae (1, 48, 76, 103), Cactaceae (78), Campanulaceae (19), Caryophyllaceae (2-4, 20, 21, 49-53, 86, 104), Chenopodiaceae (22), Convolvulaceae (72), Crassulaceae (54), Cucurbitaceae (94), Cuscutaceae (55), Cyperaceae (37, 65, 82), Dipsacaceae (23), Dryopteridaceae (80), Euphorbiaceae (5, 56, 87), Fabaceae (24-28, 57, 58, 88, 89), Fagaceae (59), Gentianaceae (75), Iridaceae (106), Lamiaceae (29, 30), Lentibulariaceae (77), Liliaceae s.l. (60), Lythraceae (31), Malvaceae (32), Oleaceae (6), Oxalidaceae (90), Phrymaceae (79), Poaceae (38, 39, 66-70), Primulaceae (7), Ranunculaceae (8-10, 33, 61), Rosaceae (11, 34, 62), Rubiaceae (12, 63, 64), Santalaceae (91), Scrophulariaceae s.l. (73, 92, 105), Solanaceae (74), Typhaceae (83), Verbenaceae (13) and Veronicaceae (35). A new taxon for science is: Centaurea kofinasii Kit Tan (84). A new taxon for a country is: for Greece – Mimulus moschatus (79). The publication includes contributions by: M. Aybeke (1-13); B. Biel & Kit Tan (14-39); D. Dimitrov (40-70); K. Giannopoulos & Kit Tan (71-71); P. Glogov (74); K. Lakovski (75); D. Mermygkas, V. Kati & Kit Tan (76); R. Natcheva (77); R. Natcheva & D. Ivanova (78); A. Strid (79); K. Sutorý (80-83); Kit Tan & G. Kofinas (84- 92); I.T. Tsialtas & Kit Tan (93-94); V. Vladimirov & D. Borshukov (95); V. Vladimirov, T. Karakiev & D. Gyurova (96); G. Zarkos, V. Christodoulou & Kit Tan (97-106). [ABSTRACT FROM AUTHOR]

The distribution of genus Iris subgenus Iris was presented and notes of its taxonomy were given in the paper. Based on the critical processing of the collections in the national herbaria (SOM, SOA and SO), the literature sources, and our field observation we have produced distribution maps. New chorological data are reported for Iris reichenbachii, I. suaveolens, and I. ×germanica. Iris mellita, whose taxonomical status is under investigation, was reviewed as a synonym of I. suaveolens. The distribution of I. aphylla in Bulgaria was not confirmed until now, with the current collection for the Bulgarian flora. [ABSTRACT FROM AUTHOR]

New chorological data are presented for 54 species and subspecies from Bulgaria (48), Greece (1, 15-47, 49-54), and Turkey-in-Europe (2-14). The taxa belong to the following families: Apiaceae (17, 18, 32, 33), Aspleniaceae (15, 48), Asteraceae (2, 19, 34, 35, 49, 50), Berberidaceae (20), Brassicaceae (54), Campanulaceae (36), Caryophyllaceae (21, 37), Chenopodiaceae (38, 51), Crassulaceae (39, 40), Fabaceae (3-5, 22-24), Fagaceae (41), Geraniaceae (25), Hyacinthaceae (1), Iridaceae (30, 31), Isoetaceae (16), Lamiaceae (26, 42, 43), Malvaceae (44, 45), Plumbaginaceae (52, 53), Poaceae (6-14, 46), Salicaceae (47), Scrophulariaceae s.l. (27) and Valerianaceae (28, 29). The publication includes contributions by: E. Axiotis, Kit Tan & M. Axiotis (1); M. Aybeke (2-14), B. Biel & Kit Tan (15-31); V. Ioannidis, D. Doulkeridou & A. Strid (32-47); K. Lakovski (48); K. Polymenakos, Kit Tan & V. Pantavos (49-53); G. Zarkos & Kit Tan (54). [ABSTRACT FROM AUTHOR]

New chorological data are presented for 139 species and subspecies from Bulgaria (68-83, 87-102, 104-111, 128-139), Greece (11-67, 84-86, 103, 112-127), and Turkey-in-Europe (1-10). The taxa belong to the following families: Aizoaceae (12), Amaranthaceae (13), Amaryllidaceae (86, 132, 133), Apiaceae (14, 68, 69, 84, 87, 88, 117, 126), Asteraceae (1, 2, 15-25, 70-72, 89, 112, 128, 136-138), Balsaminaceae (104, 129), Brassicaceae (73, 105, 113), Campanulaceae (103), Caryophyllaceae (26, 74-76), Chenopodiaceae (27), Cistaceae (95), Commelinaceae (53, 134), Crassulaceae (28, 29, 77), Cyperaceae (54, 92, 111), Equisetaceae (11), Elaeagnaceae (118), Ericaceae (30), Euphorbiaceae (31, 32, 130), Fabaceae (3, 33, 34-38, 78, 85, 96, 119-121), Fumariaceae (39), Gentianaceae (106), Geraniaceae (40, 41, 79), Globulariaceae (80), Hyacinthaceae (55), Iridaceae (56, 125), Juncaceae (57, 98), Lamiaceae (81, 122, 123), Liliaceae s.l. (58, 99-101), Linderniaceae (90), Meliaceae (42), Myrtaceae (43), Nyctaginaceae (44), Onagraceae (45, 91, 107, 108), Orchidaceae (93), Orobanchaceae (46, 47), Papaveraceae (48), Parnassiaceae (127), Poaceae (4-10, 59-66, 82, 83, 94, 102, 135), Primulaceae (97), Phytolaccaceae (139), Rosaceae (124), Rubiaceae (49), Ruppiaceae (67), Scrophulariaceae s.l. (50, 109, 114, 115, 131), Solanaceae (51), Urticaceae (110), Verbenaceae (52), and Violaceae (116). A new taxon for science is: Onobrychis lassenii Kit Tan & Vold (121). A new name and status is proposed: Campanula dimitrii Strid (103). A new taxon for a country is: for Greece - Elaeagnus commutata (118). The publication includes contributions by: M. Aybeke (1-10); B. Biel & Kit Tan (11-67); D.S. Dimitrov (68-83); K. Giannopoulos, Kit Tan & G. Vold (84-86); G. Kunev (87-94); G. Kunev & I. Kostadinov (95-102); A. Strid (103); D. Szokala & F. Kratoš (104-111); Kit Tan & G. Kofinas (112-116); Kit Tan & G. Vold (117-125); Kit Tan, G. Zarkos & D. Mermygkas (126-127); V. Vladimirov (128-135); V. Vladimirov, V. Trifonov, A. Tashev & N. Tashev (136-139). [ABSTRACT FROM AUTHOR]

New chorological data are presented for 134 species and subspecies from Bulgaria (42-64, 105-108), Greece (11-41, 65-104, 109-134), and Turkey-in-Europe (1-10). The taxa belong to the following families: Adiantaceae (1), Amaranthaceae (13), Apiaceae (2, 39, 105, 109, 110, 128), Asclepiadaceae (74, 75), Asteraceae (3, 14-18, 40, 42, 65, 76-80, 111-113), Boraginaceae (81, 82, 114, 127), Brassicaceae (83, 126), Capparaceae (19), Caryophyllaceae (43-45, 84, 115), Cyperaceae (34, 35, 134), Dipsacaceae (85), Euphorbiaceae (20, 86, 116-118), Fabaceae (4, 5, 21-27, 66, 87, 119), Frankeniaceae (129), Hypericaceae (88), Iridaceae (125), Lamiaceae (89-92, 130), Liliaceae s.l. (50, 67), Linaceae (28), Malvaceae (6), Orchidaceae (53-64, 106-108), Parnassiaceae (93), Phytolaccaceae (7, 94), Pinaceae (11, 12, 69-72), Plantaginaceae (95), Poaceae (9, 10, 36, 37, 51, 52, 102-104, 123, 124), Portulacaceae (29), Potamogetonaceae (38), Primulaceae (131), Pteridaceae (68), Ranunculaceae (46), Rhamnaceae (30, 31), Rosaceae (8, 47, 48, 97, 98), Santalaceae (49, 99, 100), Scrophulariaceae s.l. (132), Smilacaceae (41), Solanaceae (32, 120), Sparganiaceae (133), Tamaricaceae (121), Veronicaceae (33, 101), and Zygophyllaceae (122). A new taxon for science is: Anthemis melia Biel & Kit Tan (14). A new taxon for a country is: for Greece - Dianthus muglensis (115). The publication includes contributions by: M. Aybeke (1-10); B. Biel & Kit Tan (11-38); Ch. Chiotelis, I. Bazos & A. Strid (39-41); D. Dimitrov (42-52); L. Domozetski & A. Petrova (53-64); K. Giannopoulos, Kit Tan & G. Vold (65-67); V. Ioannidis, D. Doulkeridou & A. Strid (68-104); T. Karakiev (105); A. Popatanasov (106-108); A. Strid (109-124); Kit Tan & G. Kofinas (125-126); Kit Tan & R. Marchant (127); Kit Tan, K. Polymenakos & G. Pantakis (128-129); G. Zarkos, V. Christodoulou & Kit Tan (130-134). [ABSTRACT FROM AUTHOR]

Crocus adamioides Kernd. et Pasche, as it is currently known, was originally treated as C. biflorus Mill. subsp. adamii B. Mathew in the flora of Bulgaria by Mathew (1982) and verified by Rukšāns (2017). The taxon was afterwards described as a separate species (Kerndorff et al. 2012), the holotype being collected in Kırklareli Province, European Turkey. The species was for the first time mapped in two floristic regions of Bulgaria. The diagnostic characters based on the general morphology and leaf anatomy were defined from the natural populations of the species and compared to the type specimen and relevant data from the literature. The phylogenetic position of the species was clarified by sequencing of the internal transcribed spacer region (ITS: ITS1 + 5.SsrDNA + ITS2) and comparison of the obtained sequence with those annotated in NCBI. A phylogenetic tree was built using Bayesian phylogeny. Results have shown the highest degree of phylogenetic similarity with C. adamioides from Turkey. The closest relative C. ranjeloviciorum Kernd., Pasche, Harpke et Raca remains in the proximity. Our morphological, anatomical and molecular analyses have revealed that the Bulgarian population shows a peculiar combination of characters specific to C. adamioides. [ABSTRACT FROM AUTHOR]

New chorological data are presented for 124 species and subspecies from Bulgaria (17-19, 21-23, 30, 106-114), Greece (1, 12-15, 24-29, 31-107, 115-124), and Turkey-in-Europe (2-11, 16, 20). The taxa belong to the following families: Alliaceae (124), Apiaceae (24, 32, 33, 64, 65, 96, 97), Araceae (58), Asteraceae (14, 16-18, 25, 34-45, 66-70, 98), Boraginaceae (46, 103), Brassicaceae (1, 2, 47, 48, 71-74, 99, 117), Campanulaceae (49, 50, 118), Caryophyllaceae (3, 26, 27, 119, 120), Chenopodiaceae (51, 52), Cistaceae (76), Crassulaceae (121), Cucurbitaceae (77), Cupressaceae (62), Ephedraceae (63), Euphorbiaceae (53, 54, 78-82), Fabaceae (28, 55, 83, 84, 115), Fumariaceae (56), Geraniaceae (4, 5, 85, 86, 116), Hydrocharitaceae (21), Hypericaceae (6), Iridaceae (29, 106-111), Juncaceae (11), Lamiaceae (19, 87), Lythraceae (122), Malvaceae (57), Onagraceae (7), Orobanchaceae (112-114), Paeoniaceae (104), Pinaceae (12, 13, 31), Plantaginaceae (20), Poaceae (15, 22, 23, 59-61, 93-95, 102), Polygonaceae (88) Ranunculaceae (89), Resedaceae (123), Rosaceae (8, 90-92), Rubiaceae (9, 10, 100), and Scrophulariaceae s.l. (101, 105). [ABSTRACT FROM AUTHOR]

New chorological data are presented for 158 species and subspecies from Albania (129), Bulgaria (73, 85-86, 94-113, 130-149), Greece (6-72, 74-84, 87-93, 114-128, 150-158), and Turkey-in-Europe (1-5). The taxa belong to the following families: Agavaceae (38), Aizoaceae (6), Alliaceae (39, 81, 124), Amaranthaceae (7), Amaryllidaceae (82), Araceae (83), Apiaceae (47, 114), Asteraceae (8-11, 48-51, 74, 78, 99, 105, 106, 115, 132-138, 145), Balsaminaceae (107, 139), Basellaceae (12), Berberidaceae (108, 129), Boraginaceae (13, 52, 150), Brassicaceae (14, 15, 53, 94), Cactaceae (16-18, 100), Caryophyllaceae (19, 54, 87, 95, 151), Chenopodiaceae (2, 20, 152, 153), Convolvulaceae (21, 55, 116), Cucurbitaceae (22), Cupressaceae (98), Cyperaceae (40, 125, 126), Dipsacaceae (88), Euphorbiaceae (23-25, 75, 76, 101, 140), Fabaceae (56, 57, 85, 89, 109-111, 117, 118, 146), Gentianaceae (112), Grossulariaceae (147), Haloragaceae (154), Hyacinthaceae (84), Hypericaceae (79), Iridaceae (41), Juncaceae (127), Lamiaceae (58-60, 90, 102), Lentibulariaceae (155), Liliaceae (42, 77, 130), Molluginaceae (26, 119), Onagraceae (61, 120, 141), Orchidaceae (73, 97, 103, 104, 131, 149), Papaveraceae (27), Pinaceae (1, 70-72), Plantaginaceae (28), Plumbaginaceae (29), Poaceae (43-46, 128, 158), Polygonaceae (3, 30, 86), Ranunculaceae (62, 63, 142, 156), Resedaceae (91), Rosaceae (31, 32, 80, 121), Rubiaceae (64, 65, 92), Salicaceae (66), Santalaceae (93), Sapindaceae (33), Scrophulariaceae s.l. (4, 5, 34, 67-69, 113, 122, 123, 143, 148), Solanaceae (35, 96, 144), Valerianaceae (36), and Verbenaceae (37, 157). New taxon for science is: Epimedium alpinum subsp. albanicum Kit Tan & al. (129). New taxa for countries are: Bulgaria - Cupressus sempervirens (98), Verbascum blattaria × V. speciosum (148); Greece - Opuntia rufida (17), Lantana achyranthifolia (37). The publication includes contributions by: M. Aybeke (1-5); B. Biel & Kit Tan (6-46); B. Biel & Kit Tan (47-72); P. Boycheva & D. Ivanov (73); C. Cattaneo & M. Grano (74-77); K. Giannopoulos, Kit Tan & G. Vold (78-84); T. Karakiev (85-86); G. Kofinas & Kit Tan (87-93); I. Kostadinov, A. Petrova, K. Popov & V. Koychev (94-97); A. Petrova, Zh. Barzov & V. Vladimirov (98-104); A. Petrova, I. Gerasimova & D. Venkova (105-113); K. Polymenakos & Kit Tan (114-128); L. Shuka, Kit Tan & B. Hallaçi (129); A. Tashev (130); A. Tashev & D. Kuchtev (131); V. Vladimirov (132-144); V. Vladimirov & N. Velev (145-149); G. Zarkos, V. Christodoulou, Kit Tan & G. Vold (150-158). [ABSTRACT FROM AUTHOR]

New chorological data are presented for 117 species and subspecies from Albania (97-99), Bulgaria (79- 87, 108), Greece (10-78, 88-96, 100-107, 109-117), and Turkey-in-Europe (1-9). The taxa belong to the following families: Acanthaceae (37), Alliaceae (22, 57-61), Amaryllidaceae (31, 62, 63, 116), Apiaceae (88), Asphodelaceae (117), Asteraceae (10-13, 79-81, 89, 96, 100, 107, 110), Betulaceae (2), Boraginaceae (97), Cactaceae (25), Campanulaceae (90), Caryophyllaceae (91, 111), Celastraceae (92), Colchicaceae (64-68), Crassulaceae (26), Cyperaceae (106), Equisetaceae (1), Fabaceae (14, 27, 82, 101, 102, 112-114), Gentianaceae (15), Geraniaceae (98), Hyacinthaceae (32, 69-72), Iridaceae (33, 34, 73-76), Lamiaceae (28, 29, 93), Liliaceae (77, 78, 87, 108), Linaceae (16, 38-41), Malvaceae (3-7), Ophioglossaceae (109), Orchidaceae (35), Poaceae (23, 24), Polygalaceae (94), Polygonaceae (83, 84), Primulaceae (8), Ranunculaceae (17, 99), Rosaceae (18), Rubiaceae (19, 104), Salicaceae (9, 85), Saxifragaceae (95), Scrophulariaceae s.l. (30, 42-47, 105), Solanaceae (48), Tamaricaceae (103), Typhaceae (36), Ulmaceae (86), Valerianaceae (20), Veronicaceae (49-52), and Violaceae (21, 53-56, 115). [ABSTRACT FROM AUTHOR]

For a long time, the Balkan endemic species Crocus pallidus has been unconfirmed and neglected for the flora of Bulgaria. It has remained an uncertain species from the Balkans, often listed as a synonym of C. weldenii. The morphological resemblance to the albinistic forms of C. chrysanthus has led to incorrect identification in the past, resulting in uncertainty regarding the distribution of this species in Bulgaria. In this regard, a detailed morphological and anatomical study of Bulgarian natural populations was carried out. A phylogenetic comparison in the ITS region of two Bulgarian populations of C. pallidus with other related species was conducted, revealing the distinction of C. pallidus populations from the closely related C. weldenii. The recently described new endemic species from Turkey, C. thracicus, shows very similar morphological and anatomical characteristics to C. pallidus and logically continues the distribution range in Eastern Thrace, along the Black Sea coast. We have a basis for suggesting that it should be treated as a synonym of C. pallidus. [ABSTRACT FROM AUTHOR]

The pollen of the wild species from the genus Crocus L., spread in Bulgaria has been analyzed. The investigations, made by light microscope show that the pollen of these species is spherical in shape and round in outlines, comparatively big. These morphological characteristics of the pollen of the wild Bulgarian Crocuses define it as a primitive one [6]. The Scanning Electron Microscope investigations, made by Beug [1], established two types of pollen morphology. The results of our investigation led to the conclusion that the same types are also presented in Bulgarian species: - C.biflorus -type, or syncolpate and C.vernus - type, or inaperturate. Eight of the species belong to the first type and only C. pallasii belongs to the second. The pollen of C. reticulatus is with quite unclear aperture - maybe transition to the inaperturate type. [ABSTRACT FROM AUTHOR]