Results 41 to 50 of about 2,644 (190)
Further evidence for the hybrid status of the Brazilian native fern Hypolepis ×paulistana (Dennstaedtiaceae) [PDF]
Anais da Academia Brasileira de Ciências, 2022 Hypolepis ×paulistana was described in 2016 as a putative hybrid, known from a single gathering. The hybrid status of these plants was based solely on the intermediate morphology of the sporophyte, when compared to its presumed parent species. These were
AGUSTINA YAÑEZ +2 more
doaj +1 more source
Revista de Biologia Neotropical, 2007 O presente trabalho trata da pteridoflora da Mata do Estado, localizada no município de São Vicente Férrer, Zona da Mata norte do estado de Pernambuco.
Marcio Roberto Pietrobom +1 more
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Beware my spines: a new spiny fern (Dennstaedtia, Dennstaedtiaceae) from central and western Amazonia [PDF]
Acta Amazonica, 2022 A new spiny fern belonging to the genus Dennstaedtia is described from Brazilian and Peruvian Amazonia. Dennstaedtia aculeata (sp. nov.) is the third spiny species known for the genus, and the first in South America.
Nelson Túlio Lage PENA +2 more
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Global chloroplast phylogeny and biogeography of bracken (Pteridium; Dennstaedtiaceae) [PDF]
American Journal of Botany, 2009 Bracken ferns (genus Pteridium) represent an ancient species complex with a natural worldwide distribution. Pteridium has historically been treated as comprising a single species, but recent treatments have recognized several related species. Phenotypic plasticity, geographically structured morphological variation, and geographically biased sampling ...
Der, J. P. +3 more
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The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]
, 2019 Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian +3 more
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Flora del Bajío y de Regiones Adyacentes, 2018 Familia cosmopolita distribuida principalmente en regiones tropicales y subtropicales, con 16 géneros y cerca de 250 especies. En México se encuentran seis géneros y 25 especies. Para la región de estudio se reconocen cuatro géneros, ocho especies y una variedad.
Daniel Madrigal González +1 more
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Acta Botânica Brasílica, 1998 O trabalho faz parte de uma série de estudos sobre pteridófitas da região noroeste do Estado de São Paulo. Os representantes da família Dennstaedtiaceae são encontrados principalmente nas margens das matas ciliares e em barrancos úmidos e sombreados, com
Claudia R Siqueira, Paulo G Windisch
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A New Species of Krameropteris (Dennstaedtiaceae) from Mid-Cretaceous Myanmar Amber
TaxonomyKrameropteris is an extinct fern genus found in mid-Cretaceous Myanmar amber, assigned to the Dennstaedtiaceae, with only one previously described species, i.e., K. resinatus. This study describes a new species, K.
Chunxiang Li, Fanwei Meng
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Acta Amazonica, 2003 Na Reserva Florestal Walter Egler, localizada a 64 km de Manaus, no município de Rio Preto da Eva, foi investigada a ocorrência de Pteridófitas ao longo de uma toposseqüência. O grupo ocorre nos três ambientes observados na área (baixio, vertente e platô)
Maria Cristina de Souza +2 more
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Community Characteristics and Population Dynamics of an Endangered Rhododendron nymphaeoides
Ecology and Evolution, Volume 15, Issue 4, April 2025.Rhododendron nymphaeoides is explicitly listed as an endangered species in the “the International Union for Conservation of Nature's Red List,” “The Red List of Rhododendrons,” “Red List of China's Higher Plants,” and “Threatened Species List of China's Higher Plants.” It is also listed as a provincial‐level key protected wild plant in Sichuan, with ...
Jun Luo +5 more
wiley +1 more source