The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)

The aim of the present investigation is to assess the status of Menegazzia cincinnata and Menegazzia valdiviensis, two closely related species from southern South America. The main characters used previously to segregate the two species are discussed and evaluated. The main conclusions are that the...

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Autores principales: Adler, M.T., Calvelo, S., Elix, J.A.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00934666_v95_n_p217_Adler
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spelling todo:paper_00934666_v95_n_p217_Adler2023-10-03T14:55:52Z The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae) Adler, M.T. Calvelo, S. Elix, J.A. Patagonian lichenized Ascomycota South American lichens Menegazzia Menegazzia cincinnata Parmeliaceae The aim of the present investigation is to assess the status of Menegazzia cincinnata and Menegazzia valdiviensis, two closely related species from southern South America. The main characters used previously to segregate the two species are discussed and evaluated. The main conclusions are that the presence/absence of thamnolic acid in the thallus medulla correlates well with differences in ascospore length, which, therefore, can be used in combination to propose a new delimitation of both species. In addition, differences in geographic distribution are showed to be consistent with this distinction. A complete chemical profile is detailed for each species, thus redefining, correcting and complementing previously published data. Gyrophoric acid is reported for the first time for the complex and is, with lecanoric acid, consistently present in both species. Other secondary metabolites are reported for the first time for the species. Fil:Adler, M.T. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Calvelo, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00934666_v95_n_p217_Adler
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Patagonian lichenized Ascomycota
South American lichens
Menegazzia
Menegazzia cincinnata
Parmeliaceae
spellingShingle Patagonian lichenized Ascomycota
South American lichens
Menegazzia
Menegazzia cincinnata
Parmeliaceae
Adler, M.T.
Calvelo, S.
Elix, J.A.
The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
topic_facet Patagonian lichenized Ascomycota
South American lichens
Menegazzia
Menegazzia cincinnata
Parmeliaceae
description The aim of the present investigation is to assess the status of Menegazzia cincinnata and Menegazzia valdiviensis, two closely related species from southern South America. The main characters used previously to segregate the two species are discussed and evaluated. The main conclusions are that the presence/absence of thamnolic acid in the thallus medulla correlates well with differences in ascospore length, which, therefore, can be used in combination to propose a new delimitation of both species. In addition, differences in geographic distribution are showed to be consistent with this distinction. A complete chemical profile is detailed for each species, thus redefining, correcting and complementing previously published data. Gyrophoric acid is reported for the first time for the complex and is, with lecanoric acid, consistently present in both species. Other secondary metabolites are reported for the first time for the species.
format JOUR
author Adler, M.T.
Calvelo, S.
Elix, J.A.
author_facet Adler, M.T.
Calvelo, S.
Elix, J.A.
author_sort Adler, M.T.
title The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
title_short The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
title_full The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
title_fullStr The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
title_full_unstemmed The distinction between Menegazzia cincinnata and M. valdiviensis (Parmeliaceae)
title_sort distinction between menegazzia cincinnata and m. valdiviensis (parmeliaceae)
url http://hdl.handle.net/20.500.12110/paper_00934666_v95_n_p217_Adler
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