The genus Parmotrema (Parmeliaceae, lecanoromycetes) in the Galapagos Islands (original) (raw)
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Hoehnea, 2009
Parmotrema s.l. (Parmeliaceae, lichenized Ascomycota) from Serra Geral slopes in central Rio Grande do Sul State, Brazil). A survey of the parmotremoid lichens occurring in the central area of Rio Grande do Sul State (Brazil) revealed 31 species of Parmotrema A. Massal., distributed in three groups corresponding to the former genera Canomaculina Elix & Hale, Parmotrema s. str. and Rimelia Hale & Fletcher. All species are described, illustrated, commented and special notes compare similar species as an aid to identification.
Philippine species of parmotrema
This paper presents a taxonomic treatment of Parmotrema lichens (Ascomycota, Parmeliaceae) collected in the Philippines at high altitudes where they abound, particularly in the mountainous regions of northern Luzon and Mindanao. A total of 30 Parmotrema species were identified: twelve being new records. Results suggest that the Philippines has a potentially rich unknown lichen diversity that remains to be further investigated. Many lichen species are restricted to unexplored forested areas, which in the Philippines are facing alarming degradation; hence, it is extremely important for these habitats to be conserved.
Parmeliella borbonica, a new lichen species from Réunion
The Lichenologist, 2010
The new species Parmeliella borbonica is described. It belongs in a small group of species, which, unlike all other Parmeliella species except those of the Parmeliella mariana group, have thalline squamulose margins of the apothecia, and are thus superficially reminiscent of Pannaria. The group is mainly Indo-pacific. A key to the species is given. Parmeliella borbonica appears to be an addition to the many remarkable endemic members of the Pannariaceae found in Réunion which has retained old Gondwana elements, as its lowland forests have not been destroyed as much as those in the neighbouring region. The very rare Coccocarpia imbricascens Nyl. was found as new to the island, and the rare endemic Pannaria multifida P. M. Jørg close to its type locality.
A review of the lichen family Parmeliaceae - history, phylogeny and current taxonomy
Nordic Journal of Botany, 2012
e largest family of lichen-forming fungi, the Parmeliaceae, is reviewed. It includes 79 genera in current use and ca 2726 species, a large majority of which belong to one of fi ve main clades: the parmelioid, cetrarioid, usneoid, alectorioid and hypogymnioid. However, 21 genera are positioned outside these clades, and four genera in current use still lack DNAdata. e family has been shown to be monophyletic and the generic classifi cation is relatively well-settled compared with other lecanoralean families. Each clade and its genera are presented here with the latest results from phylogenetic analyses and current taxonomy. In addition, a historical outline of the family and its most prominent researchers is provided.
The Lichen Genusbulbothricella, a New Segregate in Theparmeliaceaefrom Venezuela
The Lichenologist, 1996
The new genus Bulbothricella (Lichenized Ascomycotina,Parmeliaceae with the single species B. amazonensis (Marcano, Galiz & Morales) Marcano, Galiz, Morales & Mohali is segregated from Bulbothrix. This conclusion is based on an investigation of morphological, anatomical and chemical characters using scanning electron microscopy and thin-layer chromatography. The new genus is characterized by a pored epicortex, 12—14 spores per ascus, obovate and acrogenous conidia, and an anatomical structure and cortical chemistry resembling that of Bulbothrix..
Biological Journal of the Linnean Society, 2007
Morphological and phylogenetic relationships of the worldwide Mediterranean lichen forming fungus, Parmelina quercina , have been studied. Specimens from western Europe, western North America and southern Australia were analysed using molecular data (nuITS rDNA, nuLSU rDNA and mtSSU rDNA) and selected morphological features (upper cortex maculae, scanning electron microscopy examination of the epicortex, ascospores and conidia shape and size, and amphithecial retrorse rhizines). The results conclusively reveal that: (1) there is not one single species but four separate species in the Mediterranean or sub Mediterranean areas of the world. Parmelina quercina and Parmelina carporrhizans (Euroasiatic species), Parmelina coleae sp. nov. (North America) and Parmelina elixia sp. nov. (Australia); (2) largely debated P. carporrhizans is not a synonym of P. quercina but supported as a valid species circumscribed to Macaronesic relict sites; (3) the geographical isolation of the Australian population is correlated with a large genetic distance; (4) morphological characters (ascospores and conidial variability and thallus epicortex) correlate with the phylogenetic hypothesis; (5) the new or revalidated species within Parmelina quercina are not cryptic species but morphologically recognizable taxa.
Parmelioid lichens are a diverse and ubiquitous group of foliose lichens. Generic delimitation in parmelioid lichens has been in a state of flux since the late 1960s with the segregation of the large, heterogeneous genus Parmelia into numerous smaller genera. Recent molecular phylogenetic studies have demonstrated that some of these new genera were monophyletic, some were not, and others, previously believed to be unrelated, fell within single monophyletic groups, indicating the need for a revision of the generic delimitations. This study aims to give an overview of current knowledge of the major clades of all parmelioid lichens. For this, we assembled a dataset of 762 specimens, including 31 of 33 currently accepted parmelioid genera (and 63 of 84 accepted genera of Parmeliaceae). We performed maximum likelihood and Bayesian analyses of combined datasets including two, three and four loci. Based on these phylogenies and the correlation of morphological and chemical characters that characterize monophyletic groups, we accept 27 genera within nine main clades. We re-circumscribe several genera and reduce Parmelaria to synonymy with Parmotrema. Emodomelanelia Divakar & A. Crespo is described as a new genus (type: E. masonii). Nipponoparmelia (Kurok.) K.H. Moon, Y. Ohmura & Kashiw. ex A. Crespo & al. is elevated to generic rank and 15 new combinations are proposed (in the genera Flavoparmelia, Parmotrema, Myelochroa, Melanelixia and Nipponoparmelia). A short discussion of the accepted genera is provided and remaining challenges and areas requiring additional taxon sampling are identified.
A first checklist of the lichen-forming fungi of the Venezuelan Andes
Bryophyte Diversity and Evolution, 1996
Basing on an evaluation of the literature and some unpublished collections, 745 taxa of lichen forming-fungi are reported from the Venezuelan Andes, including 10 infraspecific taxa. Of these taxa 37 are new records for Venezuela: Actinoplaca vulgaris (Müll. Arg.) Vezda & Poelt, Asterothyrium decipiens (Rehm) R. Sant., Calopadia foliicola (Fée) Vezda, C. fusca (Müll. Arg.) Vezda, C. phyllogena (Müll. Arg.) Vezda, Chrysothrix chlorina (Ach.) J. R. Laundon, Cystocoleus ebeneus (Dillwyn) Thwaites, Diploschistes scruposus (Schreb.) Norm., Echinoplaca leucotrichoides (Vain.) R. Sant., Fellhanera bouteillei (Desm.) Vezda, F. dominicana (Vain.) Vezda, F. fuscatula (Müll. Arg.) Vezda, F. sublecanorina (Nyl.) Vezda, Gyalectidium filicinum Müll. Arg., Lecidea limosa Ach., Lepraria neglecta Auct., Ochrolechia africana Vain., Peltigera vainioi Gyelnik, Phyllobathelium nigrum R. Sant. & Tibell, Phyllophiale alba R. Sant., Polymeridium albidum (Müll. Arg.) R. C. Harris, Porina epiphylla (Fée) Fée,...