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Spore morphology and wall ultrastructure of Trachypteris species(Pteridaceae)
(Springer Wien, 2011-07)
Trachypteris is a small genus consisting of four species native to America and Madagascar: Trachypteris induta, T. pinnata, T. gilliana, and T. drakeana. The spores of the genus were studied using light microscopy and ...
Nomenclature and revised typification of Cheilanthes bonariensis (Cheilantheae, Pteriedaceae)
(International Association for Plant Taxonomy, 2011-06)
A revised typification of Acrostichum bonariense, based on the cited illustration, is necessary. An epitype is designated to interpret the inadequate original drawing.
Reproductive expression of cheilanthoid ferns (Pteridaceae) from South America
(Elsevier Gmbh, 2017-11)
The characteristics of the reproductive stage of eight neotropical cheilanthoid ferns species, Cheilanthes buchtienii, C. hieronymi, C. obducta, C. pilosa, C. sarmientoi, Gaga marginata, Myriopteris myriophylla, and M. ...
Further progress towards the delimitation of Cheilanthes (Cheilanthoideae, Pteridaceae), with emphasis on South American species
(Springer Heidelberg, 2018-06)
Cheilanthoid ferns (Cheilanthoideae sensu PPG 1 2016) constitute an important group within the Pteridaceae and are cosmopolitan in distribution. In South America, there are 155 species distributed in 13 genera, among which ...
Comparative anatomy in four Cheilanthoid fernsAnatomía comparada en cuatro helechos Cheilantoideos
(Sociedad Argentina de Botánica, 2019-06)
Background and aims: Some species of Cheilanthoid ferns are characterized by show adaptations to xeric habitats. Furthermore, presents the peculiarity of the roll their blades under drought stress and when conditions are ...
Jamesonia (Pteridaceae) in Brazil
(Revista Biota Neotropica, 2020-01-01)
Jamesonia is a genus of Neotropical ferns that comprises about 50 species, distributed from Mexico to Uruguay. In spite of this wide distribution, this group is more diverse in Andean paramos and subparamos. Due to the ...
Phylogenetic position of South American Cheilanthes (Cheilanthoideae, Pteridaceae): Advances in the generic circumscription and segregation of the new genus Mineirella
(Chinese Academy of Sciences, 2020-12-28)
This analysis corroborates and expands our previous results regarding the phylogenetic position of Cheilanthes species from South America. We sequenced three plastid genetic regions, one genic (rbcL) and two genic plus ...