Results 51 to 60 of about 2,704 (211)
Unraveling the Parablechnum cordatum (Blechnaceae: Polypodiopsida) complex puzzle [PDF]
Parablechnum cordatum (Blechnaceae) exhibits significant morphological variability, with many species considered as its synonyms, and is treated as a species complex by several authors. In this study, we offer a comprehensive revision of the taxon and an
Giesta Maria Olmedo Machado +1 more
doaj +1 more source
La colección de preparados palinológicos de la Cátedra de Palinología de la Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP), Buenos Aires, Argentina [PDF]
Fil: Yañez, Agustina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Palinología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo
Copello, Manuel +13 more
core +1 more source
About 14% of all fern species have chlorophyllous spores, which lack dormancy, have thin walls, and have a shorter viability (only a few days in some species). These spores should have limited dispersal distances and be more susceptible to harsher climatic conditions, raising questions about the evolutionary and ecological significance of this trait ...
Daniela Mellado‐Mansilla +5 more
wiley +1 more source
Typification of Blechnum spicant var. fallax Lange (Blechnaceae)
Blechnum spicant var. fallax Lange is a fern taxon endemic to Iceland where it occurs in the vicinity of hot springs on geothermally heated soils. The taxon was first described by a Danish botanist Johan Martin Christian Lange in 1880 on the basis of ...
Paweł Wąsowicz +2 more
doaj +1 more source
Keanekaragaman Pteridophyta Epifit di Kawasan Wisata Air Terjun Jumog Ngargoyoso Karanganyar Jawa Tengah [PDF]
Abstrak Pteridophyta epifit merupakan kelompok pteridophyta yang memiliki keunikan, hidup menempel di permukaan pohon inang tanpa merugikan dan merusaknya.Kawasan wisata Air Terjun Jumog memiliki jenis tumbuhan yang beragam dengan kondisi lingkungan ...
-, Efri Roziaty, S. Si., M. Si +1 more
core
É apresentado um "checklist" das pteridófitas ocorrentes na Reserva Ecológica de Jangadinha, Município de Jaboatão dos Guararapes, como contribuição aos estudos da pteridoflora de áreas de Floresta Atlântica do Estado de Pernambuco.
Sandra Tereza Ambrósio +1 more
doaj +1 more source
The rust fungi (Uredinales) on ferns in South Africa [PDF]
The rust fungi (Uredinales, basidiomycota) occuring on ferns (Pteridophyta) in South Africa are described, illustrated and keyed out. All species belong to the pucciniastraceous genera Milesina (M. blechni), Uredinopsis (U.
Berndt, Reinhard
core
Samambaias e licófitas do estado de Pernambuco, Brasil: Blechnaceae
O presente trabalho visa dar continuidade a série de monografias das famílias de samambaias e licófitas no estado de Pernambuco, apresentando o estudo da família Blechnaceae.
Augusto César Pessôa Santiago +2 more
doaj +1 more source
ABSTRACT Aim We sought to assess how phylogenetic patterns within the fern family Pteridaceae are related to the history of the Amazon Forest and the Brazilian Atlantic Forest, as well as the Dry Diagonal of South America. The age of taxa present in these regions was estimated, as well as those found in previously identified areas of endemism for the ...
Aline Possamai Della +3 more
wiley +1 more source
Blechnum rosulatum (Blechnaceae, Polypodiopsida), a new species of fern from Tocantins, Brazil [PDF]
We describe a new species of Blechnum from Tocantins, Brazil: Blechnum rosulatum sp. nov. (Blechnaceae). Information about its geographical distribution, habitat, phylogenetic placement and comments on conservation status are given, as well as an updated
Bianca Schindler +5 more
doaj +1 more source

