Results 61 to 70 of about 639 (125)

A new species of Schwartzia (Marcgraviaceae, Ericales) from Peru

open access: yes, 2023
Se describe e ilustra una nueva especie de Schwartzia Vell., S. peruviana Giraldo-Cañas. La nueva especie se conoce únicamente de la región andina de Perú. De acuerdo con los lineamientos de la UICN, la nueva especie debe ser ubicada en la categoría “en peligro” (EN) (AOO= 32 km2 , EOO = 14.994,052 km2 ).
openaire   +1 more source

REVISIÓN DE LAS ESPECIES SUDAMERICANAS DEL GÉNERO SCHWARTZIA (MARCGRAVIACEAE: COMPLEJO NORANTEA)

open access: yes, 2009
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Morphology and angiosperm systematics in the molecular era [PDF]

open access: yes, 2018
Several ways in which morphology is used in systematic and evolutionary research in angiosperms are shown and illustrated with examples: 1) searches for special structural similarities, which can be used to find hints for hitherto unrecognized ...
Endress, Peter
core  

Floristic and structure of woody vegetation of a "cerrado rupestre" area in Serra de Caldas Novas state park, Goiás [PDF]

open access: yes, 2010
O cerrado sentido restrito é a fitofisionomia predominante do bioma Cerrado, ocupando grandes extensões do Planalto Central brasileiro. Quando essa vegetação se desenvolve sobre Neossolos Litólicos recebe a denominação de cerrado rupestre. O conhecimento
Lenza, Eddie   +3 more
core   +4 more sources

DOS NUEVAS ESPECIES DE SCHWARTZIA (MARCGRAVIACEAE) DE COLOMBIA

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
Se describen dos nuevas especies de Schwartzia Vell.: S. chocoensis Giraldo-Cañas y S. diaz piedrahitae Giraldo-Cañas, endémicas del Chocó biogeográfico (departamentos del Chocó y Valle del Cauca).
openaire   +1 more source

Bacterial diversity within the human subgingival crevice [PDF]

open access: yes, 1999
Molecular, sequence-based environmental surveys of microorganisms have revealed a large degree of previously uncharacterized diversity. However, nearly all studies of the human endogenous bacterial flora have relied on cultivation and biochemical ...
Kroes, Ian   +2 more
core   +2 more sources

Analyses of Potential Driver and Passenger Bacteria in Human Colorectal Cancer

open access: yesCancer Management and Research, 2020
Yijia Wang,1,* Chunze Zhang,2,* Shaobin Hou,3 Xiaojing Wu,1 Jun Liu,4 Xuehua Wan5 1Laboratory of Oncologic Molecular Medicine, Tianjin Union Medical Center, Nankai University, Tianjin, People’s Republic of China; 2Department of Colorectal Surgery ...
Wang Y   +5 more
doaj  

Prophylactic Modulation of Methane and Nitrous Oxide Emitted from Ruminants Livestock for Sustainable Animal Agriculture (REVIEW) [PDF]

open access: yes, 2014
Major greenhouse gases (GHG) attributed to animal agriculture sector are methane (CH4) and nitrous oxide (N2O), either generated from enteric fermentation or manure.
Takahashi, J
core   +3 more sources

Coloured nectar: distribution, ecology, and evolution of an enigmatic floral trait [PDF]

open access: yes, 2007
While coloured nectar has been known to science at least since 1785, it has only recently received focused scientific attention. However, information about this rare floral trait is scattered and hard to find. Here, we document coloured nectar in 67 taxa
Hansen, D M   +4 more
core   +1 more source

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