Results 31 to 40 of about 1,031 (197)

Fern spore viability considered in relation to the duration of the Cretaceous-Paleogene (K-Pg) impact winter. A contribution to the discussion

open access: yesActa Palaeobotanica, 2019
The Cretaceous-Paleogene (K-Pg) boundary Chicxulub impact is supposed to have produced a nearly decade-long impact winter which resulted in a mass-extinction event among dicot angiosperms but which left pteridophytes comparatively unaffected.
KEITH BERRY
doaj   +1 more source

Sphaeropteris cooperi: Australian Tree Fern

open access: yesEDIS, 2007
The Australian tree fern (Sphaeropteris cooperi) is a tropical, single-trunked fern native to eastern Australia, growing 15-30 feet tall. It has finely textured, lacy, bipinnately compound leaves and thrives in USDA zones 10B-11, in well-drained, sandy ...
Edward Gilman
doaj   +1 more source

Prodromus of a fern flora for Bolivia. XX. Cyatheaceae [PDF]

open access: yes, 2018
We provide a synopsis to the family Cyatheaceae in Bolivia, comprising 3 genera and 40 species, one of which is endemic.
Kessler, Michael   +3 more
core   +1 more source

Apogamy in the Cyatheaceae [PDF]

open access: yesBotanical Gazette, 1918
Since the discovery of apogamy in Pteris cretica by FARLOW (3) in I874, it has been observed in about I5 genera and 30 species of the Polypodiaceae. There are records of its occurrence in 3 other families of the Filicales, namely, the Osmundaceae, the Hymenophyllaceae, and the Marsiliaceae.
openaire   +1 more source

The family Cyatheaceae (Pteridophyta) in Argentina [PDF]

open access: yes, 2010
La familia Cyatheaceae comprende alrededor de 500 especies de helechos arborescentes. Su distribución es pantropical y en Argentina se encuentra representada por 4 especies, reunidas en los géneros Alsophila y Cyathea: A. setosa, A.
Marquez, Gonzalo Javier
core   +2 more sources

Globally Distributed Arbuscular Mycorrhizal Fungi Associated With Invasive Cinchona pubescens on Santa Cruz Island, Galápagos. [PDF]

open access: yesEcol Evol
Arbuscular mycorrhizal fungi (AMF) are crucial for plant survival and may influence the success of invasive species. This study investigated the AMF communities associated with the invasive Cinchona pubescens on Santa Cruz Island, Galápagos, and in its endangered native range in Ecuador.
Herrera P, Haug I, Suárez JP, Jäger H.
europepmc   +2 more sources

Slowly but surely: gradual diversification and phenotypic evolution in the hyper-diverse tree fern family Cyatheaceae. [PDF]

open access: yesAnn Bot, 2020
Background and Aims The tremendously unbalanced distribution of species richness across clades in the tree of life is often interpreted as the result of variation in the rates of diversification, which may themselves respond to trait evolution.
Loiseau O   +7 more
europepmc   +3 more sources

Cyathea fabiolae (Cyatheaceae, Polypodiopsida), a new scaly tree fern from the northern Andes [PDF]

open access: yes, 2022
Tejedor, Adrian, Gallego, Luis Fernando Giraldo, Calatayud, Gloria, Lehnert, Marcus (2022): Cyathea fabiolae (Cyatheaceae, Polypodiopsida), a new scaly tree fern from the northern Andes. Phytotaxa 550 (2): 201-207, DOI: 10.11646/phytotaxa.550.2.
Gallego, Luis Fernando Giraldo   +3 more
core   +1 more source

Cyathea gratissima, a new name for a Neotropical tree fern (Cyatheaceae, Polypodiopsida) [PDF]

open access: yes, 2021
Tejedor, Adrian, Calatayud, Gloria (2021): Cyathea gratissima, a new name for a Neotropical tree fern (Cyatheaceae, Polypodiopsida). Phytotaxa 484 (1): 144-144, DOI: 10.11646/phytotaxa.484.1.8, URL: http://dx.doi.org/10.11646/phytotaxa.484.1.
Tejedor, Adrian, Calatayud, Gloria
core   +1 more source

ESTUDO MORFO-ANATÔMICO DE Trichipteris atrovirens (Langsd. et Fisch) Tryon. (Cyatheaceae) [PDF]

open access: yes, 2001
O estudo morfo-anatômico das pínulas de Trichipteris atrovirens (Langsd. et Fisch) Tryon (Cyatheaceae) tem por objetivo permitir a avaliação da espécie, sendo um ensaio seguro e econômico para o controle de qualidade vegetal, por constatar-se emextratos ...
de SantAnna, Juliane Rocha   +2 more
core   +3 more sources

Home - About - Disclaimer - Privacy