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Copyright of Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales is the property of Academia Colombiana de Ciencias Exactas, Fisicas y Naturales and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales is the property of Academia Colombiana de Ciencias Exactas, Fisicas y Naturales and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Colombia Forestal is the property of Colombia Forestal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

21 new records of lichens from the family Graphidoideae (Graphidaceae) for Colombia and seven for the state of Valle del Cauca are presented. These new reports correspond to the genera Ampliotrema, Chapsa, Gyrotrema, Myriotrema, Ocellularia, Stegobolus, Thelotrema, and Wirthiotrema. These records expand the list of known species for the country of Ampliotrema to 5, Chapsa to 14, Gyrotrema to 3, Myriotrema to 11, Ocellularia to 29, Stegobolus to 7, and s to 2. All these species are conservation indicators for tropical humid forests, for they are found only in low elevation humid forests that are in very good state. [ABSTRACT FROM AUTHOR]

Copyright of Caldasia is the property of Universidad Nacional de Colombia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales is the property of Academia Colombiana de Ciencias Exactas, Fisicas y Naturales and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Ciencias is the property of Universidad del Valle and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Lichenized fungi or lichens are organisms that have been little studied in the tropics and which distribution is affected by microenvironmental factors and substrate characteristics. The present study aimed to identify phorophyte specificity and microenvironmental preferences of corticolous lichens in five phorophyte species from premontane forest of the farm Finca Zingara in Cali, Colombia. For this, five individuals were selected from five tree species (phorophytes). Lichen species present in a 0.50x0.20m2 quadrant located in the trunk of each tree at a height of 1.3m were identified. Substrate parameters such as bark pH, Diameter Breast Height (DBH) and bark structure were measured. Also, microenvironmental factors including temperature, humidity and irradiance were determined. In order to detect phorophyte preferences, a non-metric multidimensional scaling (NMS) and indicator species analysis were made. Spearman correlation analysis was used to assert the relationship between environmental variables and groupings found in the NMS. A total of 69 species of lichens were found, of which 37 were identified to species, 18 to genera and 14 were not determined because they were sterile or had no spores. NMS showed that some individuals of the same tree species were grouped alongside the analysis dimensions, and they were related with the factors of light intensity, temperature and DBH. Only three lichens with preference for certain tree species were found (Arthonia microsperma by Meriania sp., Cladonia ceratophylla and sorediado 8 by Clusia sp.), suggesting absence of phorophyte preferences. Thus, it can be concluded that lichens from the study area do not show phorophyte preference, but their distribution is affected by light, temperature and DBH. [ABSTRACT FROM AUTHOR]

Copyright of Cryptogamie Mycologie is the property of Museum National d'Histoire Naturelle, Paris and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Ciencia en Desarrollo is the property of Universidad Pedagogica y Tecnologica de Colombia, Centro de Investigaciones y Extension and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Ciencia en Desarrollo is the property of Universidad Pedagogica y Tecnologica de Colombia, Centro de Investigaciones y Extension and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Colombia is one of the most biodiverse countries in the world and at the same time one of the least explored as far as its diversity is concerned, in particular its lichen biota. Over 99% of all lichen fungi belong to the Ascomycota, whereas less than 1% are found in the Basidiomycota. However, even if comparatively low in lichenized species richness, Basidiomycota include several independently lichenized lineages in the families Clavulinaceae (Multiclavula), Hygrophoraceae (Acantholichen, Cora, Corella, Cyphellostereum, Dictyonema, Lichenomphalia), and Lepidostromataceae (Ertzia, Lepidostroma, Sulzbacheromyces). Some of these groups are morphologically very similar but unrelated, so their phenotypes have evolved independently in similar ways, such as in the genera Multiclavula and Sulzbacheromyces, which are easily confused. Molecular methods are an important tool to elucidate the evolutionary relationships and classification in these lichen fungi. Recent explorations in major Colombian biomes (Andes, Amazonas, and Chocó) have provided the first records of several of the aforementioned genera for these areas. With the objective of recognizing the phylogenetic position and taxonomic identity of lichenized, mushroom-like Basidiomycota in Colombia, we use the ITS barcode marker and maximum likelihood tree search. Based on our results, we propose three new, cryptic species in the genus Sulzbacheromyces and a new polymorphic species in the genus Multiclavula. [ABSTRACT FROM AUTHOR]

El basidioliquen Marchandiomphalina foliacea es un inhabitante frecuente de las zonas andinas húmedas, generalmente creciendo sobre tierra entre otras criptógamas. Su clasificación como basidioliquen dentro de la familia Corticiaceae anteriormente fue confirmado mediante datos moleculares. Los talos de este liquen generalmente están cubiertos con los peritecios de un ascomicete, clasificado como el hongo liquenícola Norrlinia peltigericola. Según datos moleculares anteriores, este hongo cae dentro del género Agonimia en la familia Verrucariaceae. Nuevos datos moleculares incluso de ascolíquenes del género Normandina, también de la familia Verrucariaceae, demuestran que la interpretación biológica de Marchandiomphalina foliacea es incorrecta. En realidad, este liquen y los peritecios creciendo encima representan el mismo hongo, que pertenece al género Agonimia en los Ascomycota, como A. foliacea. Talos tanto de Normandina como de Agonimia foliacea contienen un basidiomicete liquenícola que frecuentemente es amplificado usando primers del ITS nuclear, mientras los primers del mtSSU mitochondrial amplifican el micobionte. Esta situación es comparable con lo que fue encontrado recientemente en el basidiomicete Cyphobasidium creciendo en talos de Parmeliaceae. Infortunadamente, el basidiomicete ocurriendo en líquenes de la familia Verrucariaceae no tiene nombre, y su descripción con el nombre de Lawreymyces es el primer caso de una descripción válida de un hongo sin holotipo fisico, solo conociendo sus datos moleculares. [ABSTRACT FROM AUTHOR]

Colombia is a megadiverse country, but with a substantial gap in the taxonomic and ecological knowledge of fungi and lichens. Thus, the objective of the present study was an ecogeographical analysis of the Sticta species in Colombia. The data included macrodistribution (with respect to mountain ranges and life zones) and microhabitat preferences (light, substrate) and were obtained from field work and herbarium collection labels (completed by comparison with modern geographic and vegetation maps), for 103 species of Sticta currently recognized in Colombia (plus seven additional biotypes with different photobionts or reproductive mode). Using non-metric multidimensional scaling (NMS), correlations between ecogeographical variables and species were established, and ecotypes were delimited. Colombian species of Sticta showed distinct distribution patterns relative to altitude, mountain ranges, life zones, as well as light exposure and substrate, forming several distinct groups. Cyanobacterial species tend to have wider distribution ranges than green algal species. We concluded that the orogeny of the Northern Andes substantially affected speciation of the genus Sticta and its ecogeographical differentiation. [ABSTRACT FROM AUTHOR]