Results 31 to 40 of about 411 (113)

Palynological, megafloral and mesofossil record from the Bajo Grande area (Anfiteatro de Ticó Formation, Baqueró Group, Upper Aptian), Patagonia, Argentina [PDF]

open access: yes, 2020
The late Aptian flora of Baqueró is one of the best known and accurately dated Cretaceous plant associations from Gondwana, recognized for their well-preserved fossil remains.
Llorens, Magdalena   +3 more
core   +1 more source

MEXICAN BIOGEOGRAPHIC PROVINCES: PRELIMINARY SCHEME, GENERAL CHARACTERIZATIONS, AND SYNONYMIES [PDF]

open access: yes, 2002
Although the biogeographic schemes proposed for Mexico are based on different criteria (geographic, paleontological, faunistic or floristic), their authors implicitly acknowledge that the units recognized actually represent historical entities.
Espinosa Organista, David   +2 more
core   +2 more sources

Ressources alimentaires non conventionnelles [PDF]

open access: yes, 2004
Unconventional Food Resources. Concepts of ethnobotany, ethnozoology and ethnoecology are defined and their respective development recounted. The geographic frame is afterwards specified: Tropical Africa.
Malaisse, F.
core  

Identifikasi Divisi Pteridophyta di Kawasan Danau Aur Kabupaten Musi Rawas [PDF]

open access: yes, 2018
This study aims to identify the Pteridophyta Division in the Lake Aur Area of ​​Musi Rawas Regency. The research method used is descriptive qualitative. This research was made in 3 plots with size 10 m x 10 m.
Ernawati, Devi   +2 more
core   +2 more sources

PROFIL KARAKTERISTIK BENTUK SORUS TUMBUHAN PAKU DI KAWASAN WISATA AIR TERJUN IRONGGOLO KABUPATEN KEDIRI [PDF]

open access: yes, 2012
Sorus pada tumbuhan paku merupakan bagian dari alat perkembangbiakan yang sangat penting untuk regenerasinya. Melihat karakteristik sorus merupakan suatu yang harus diketahui sebelum lebih dalam mempelajari perkembangbiakan tumbuhan paku.
Seno, Akbar Aji   +2 more
core   +2 more sources

Taxonomic Revision of Fern-Allies Lycopodiaceae Mirbel in Malaysia [PDF]

open access: yes, 2004
The family Lycopodiaceae in Malaysia consists of three genera, namely, Huperzia, Lycopodium and Lycopodiella and comprises 32 species, including 11 varieties. Four species are reported as new records for Malaysia (Huperzia beccarii, H.
Kongoi, Clasius @ Claysius
core  

A linear sequence of extant families and genera of lycophytes and ferns [PDF]

open access: yes, 2011
Throughout the history of the classification of extant ferns (monilophytes) and lycophytes, familial and generic concepts have been in great flux. For the organisation of lycophytes and ferns in herbaria, books, checklists, indices and spore banks and on
Christenhusz, Maarten   +2 more
core   +2 more sources

Long-term monitoring across elevational gradients to assess ecological hypothesis : a description of standardized sampling methods in oceanic islands and first results [PDF]

open access: yes, 2014
We are launching a long-term study to characterize the biodiversity at different elevations in several Azorean Islands. Our aim is to use the Azores as a model archipelago to answer the fundamental question of what generates and maintains the global ...
Ah-Peng, Claudine   +6 more
core  

Flora Matritensis,1 (Pteridophyta) [PDF]

open access: yes, 1981
La flora pteridológica de la provincia de Madrid y comarcas limítrofes consta de 24 géneros, 54 especies, siete subespecies, dos formas y doce híbridos. La obra posee claves para determinar órdenes, géneros, especies, subespecies y formas.
Costa Talens, Manuel   +3 more
core  

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