Results 31 to 40 of about 6,775 (249)

The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil

open access: yesActa Botânica Brasílica, 2016
A synopsis of all scaly tree fern species (Cyatheaceae) occurring in Brazil is presented. We recognize 51 species in three genera [Sphaeropteris one species, Alsophila four species (one subspecies, two varieties), and Cyathea 45 species (one variety ...
Anna Weigand, Marcus Lehnert
doaj   +1 more source

Diversity of the Pteridoflora of Montane Northwestern Mexico

open access: yesDiversity, 2023
This study compiles and updates the checklist of ferns and lycophytes from the Sierra Madre Occidental (SMOc). For this, we revised information on these taxa from regional floristic studies, databases, and herbaria. Our updated list includes 312 species,
J. Daniel Tejero-Díez   +5 more
doaj   +1 more source

Tree ferns: monophyletic groups and their relationships as revealed by four protein-coding plastid loci.

open access: yes, 2020
Tree ferns are a well-established clade within leptosporangiate ferns. Most of the 600 species (in seven families and 13 genera) are arborescent, but considerable morphological variability exists, spanning the giant scaly tree ferns (Cyatheaceae), the ...
Metzgar, JS   +4 more
core   +2 more sources

In vitro spore germination and gametophyte development of two Cyathea species of South America in response to nutrient media

open access: yesRodriguésia, 2023
Cyathea corcovadensis and Cyathea phalerata are tree ferns native to Brazil, endangered in the state of Rio Grande do Sul. Spore germination and gametophyte development in media with different nutrient formulations and activated charcoal were evaluated ...
Catiuscia Marcon   +3 more
doaj   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Ferns, Mosses, Shrubs and Trees [PDF]

open access: yesNature, 1960
British Ferns and Mosses By Peter Taylor. (The Kew Series.) Pp. 231 + 15 plates. (London: Eyre and Spottiswoode (Publishers), Ltd., 1960.) 25s. net. Garden Shrubs and Trees By S. G. Harrison. (The Kew Series.) Pp. 318 + 15 plates. (London: Eyre and Spottiswoode (Publishers), Ltd., 1960.) 25s. net.
openaire   +1 more source

Morphometric analysis of postnatal lung development in the gray short‐tailed opossum (Monodelphis domestica): An ultrastructural study

open access: yesThe Anatomical Record, EarlyView.
Abstract An ultrastructural morphometric analysis of the postnatal development of the lung in the gray short‐tailed opossum (Monodelphis domestica) has been conducted to evaluate the morphofunctional status of this poorly developed marsupial lung immediately following parturition.
Kirsten Ferner
wiley   +1 more source

Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java [PDF]

open access: yesBIO Web of Conferences
Cyathea contaminans (Hook.) Copel. and Cyathea orientalis (Kunze) T. Moore, which flourish abundantly in the Erek-erek Geoforest ecotourism zone within Ijen Geopark, have long been regarded as ancient plant species. However, during a recent expedition to
Ulum Fuad Bahrul   +4 more
doaj   +1 more source

Bacterial Microbiome in the Phyllo-Endosphere of Highly Specialized Rock Spleenwort

open access: yesFrontiers in Plant Science, 2022
Bacteria communities associated with plants have been given increasing consideration because they are arguably beneficial to their host plants. To understand the ecological and evolutionary impact of these mutualistic associations, it is important to ...
Valerie F. Masocha   +8 more
doaj   +1 more source

The Tree-ferns of Malaya

open access: yes, 1967
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Holttum, R. E. (Richard Eric)   +1 more
openaire   +1 more source

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