Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Rodney D. Seppelt"'
Publikováno v:
Acta Societatis Botanicorum Poloniae, Vol 92, Iss 1, Pp 1-8 (2023)
Orthotrichum cupulatum var. lithophilum is described as a new variety from Tasmania, Australia. The species is primarily characterized by its exserted capsule with cryptoporous stomata, a single peristome with 16 exostome teeth, a bistratose lamina o
Externí odkaz:
https://doaj.org/article/1add20ed502840ac9356ba921e28d13d
Autor:
Gary A. Laursen, Rodney D. Seppelt
With Common Interior Alaska Cryptogams, Gary A. Laursen and Rodney Seppelt offer the first field guide to cryptogams of the Denali National Park and Preserve. Useful to both lay and professional investigators, this fully illustrated compendium covers
Autor:
Rodney D. Seppelt
Publikováno v:
Acta Musei Silesiae: Scientiae Naturales, Vol 68, Iss 1-2, Pp 151-155 (2019)
Recent collections of the Tropical to Subtropical Australian endemic species Fissidens darwinianus with good fruiting material have enabled an elaboration of the type diagnosis with a complete description of the sporophyte and updated anatomical deta
Publikováno v:
Cryptogamie, Bryologie. 36:349-368
Sixteen species of liverworts, two of which are represented by non-type varieties only, are reported for the first time from subantarctic Macquarie Island. These are Acrobolbus cinerascens (Lehm.) Schiffn., A. ochrophyllus (Hook.f. et Taylor) R.M.Sch
Publikováno v:
Journal of Bryology. 35:157-172
A Holantarctic species, the inter-subgeneric allopolyploid Sphagnum ×falcatulum s.l. is a cryptic species complex composed of allodiploid and allotriploid cytotypes. The allotriploid plants are double allopolyploids (one of just two reported for bry
Autor:
Yi-Feng Yao, Su-Ping Li, Cheng-Sen Li, Ryszard Ochyra, Cai-Qing Guo, Rodney D. Seppelt, Lin-Gen Bian, Peng-Cheng Wu
Publikováno v:
Climatic Change. 119:407-419
The moss, Warnstorfia exannulata (Schimp.) Loeske, was first reported forming a carpet beside a water pool in Ny-Alesund (78°56′N), Svalbard in 1959. Fifty years later, in 2008, it was found growing as an aquatic in a pool. The moss is sensitive t
Publikováno v:
Polar Biology. 34:1211-1220
Investigations of lichens collected in 1959/1960, 1963/1964 and 2003 from near the Beardmore Glacier in the southern Ross Sea region (84°S) have more than doubled the number of known lichen species in the area to around 30. The ranges of 15 species
Publikováno v:
Systematic Botany. 36:22-32
The distribution of Sphagnum cuspidatum has been subject to controversy. Although historically reported from all continents except Antarctica recent authors consider S. cuspidatum to be endemic to Europe and eastern North America. Microsatellites fro
Autor:
Roman Türk, Gerald Moser, Leopoldo G. Sancho, Rodney D. Seppelt, B. Schroeter, Stefan Pannewitz, T. G. Allan Green
Publikováno v:
Antarctic Science. 22:691-702
Botany Bay is one of the richest sites for lichen and bryophyte biodiversity in continental Antarctica. A total of 29 lichen, nine moss and one liverwort species have been identified. The most extensive vegetation occurs on a sheltered raised beach t
Publikováno v:
Global Change Biology. 15:1694-1702
Depletion of stratospheric ozone since the mid 1970s has led to significant increases in ultraviolet B (UVB) irradiation over Antarctica. The detrimental effects of UVB on plants are many, but plants produce photoprotective flavonoids that reduce cel