Rusty-colored representatives of genus Circinaria Link. (lichenized ascomycetes) in arid habitats of Bogdinsko-Baskunchakskiy nature reserve
УДК 582.29(470.46)+57.014+57.044
Keywords:
Aspicilia desertorum, iron accumulation, Megasporaceae, species delimitation, taxonomy
Abstract
Diversity of Aspicilia desertorum s. l. was studied in Bogdinsko-Baskunchakskiy reserve (Astrakhanregion, Russia). The group comprises eight species in the region. Six of them include specimens with rusty-colored thalli.We found that trivalent iron in the cortex of the studied species is not a taxonomic character but has a connection withchemistry of the substrate and may act as a sun-screen, decreasing levels of UV-B reaching the photobiont.
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References
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Anzi M. Catalogus lichenum quos in provincia Sondriensi collegit et ordinavit et in ordinem systematicum digessit. – Novi-Comi, Tip. C. Franchi, 1860. – 126 p.
Goyal R., Seaward M. R. D. Metal uptake in terricolous lichens. II. Effects on the morphology of Peltigera canina and Peltigera rufescens // New Phytol., 1982. – Vol. 90. – Pp. 73–84.
Knops J. M. H., Nash T. H. III, Boucher V. L., Schlesinger W. H. Mineral cycling and epiphytic lichens: implications at the ecosystem level // Lichenologist, 1991. – Vol. 23, № 3. – Pp. 309–321.
Purvis O. W., Elix J. A., Broomhead J. A., Jones G. C. The occurrence of copper-norstictic acid in lichens from cupriferous substrata // Lichenologist, 1987. – Vol. 19. – Pp. 193–203.
Purvis O. W., Elix J. A., Gaul K. L. The occurrence of copper-psoromic acid in lichens from cupriferous substrata // Lichenologist, 1990. – Vol. 22, № 3. – Pp. 345–354.
Szatala O. Prodromus einer Flechtenflora des Irans // Ann. Hist. Nat. Mus. Natl. Hungarici, ser. nov., 1957. – Vol. 8. – Pp. 101–154.
Wedin M., Westberg M., Crewe A. T., Tehler A., Purvis O. W. Species delimitation and evolution of metal bioaccumulation in the lichenized Acarospora smaragdula (Ascomycota, Fungi) complex // Cladistics, 2009. – Vol. 25. – Pp. 161–172.
Published
2020-10-09
How to Cite
Kruglova E. P., Paukov A. G., Teptina A. Y., Shiryaeva A. S. Rusty-colored representatives of genus Circinaria Link. (lichenized ascomycetes) in arid habitats of Bogdinsko-Baskunchakskiy nature reserve // Проблемы ботаники Южной Сибири и Монголии, 2020. Vol. 19, № 2. P. 249-251 DOI: 10.14258/pbssm.2020113. URL: http://journal.asu.ru/bpssm/article/view/pbssm.2020113.
Section
Study of vegetation of Russia. Flora of Altai, South Siberia, Mongolia and adjacent territories. Geobotany and resource science
