Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Livia Echternacht"'
Autor:
Ambar Soldevila, Livia Echternacht
Publikováno v:
Rodriguésia, Vol 75 (2024)
Abstract The Serra do Caraça, located in Minas Gerais state, Brazil, hosts a remarkable biological diversity, comprising rare and endemic plant species. Several naturalists have visited the area since the XIX century and made important botanical col
Externí odkaz:
https://doaj.org/article/ff16c8d271a2452fb848793cd7465b42
Publikováno v:
Rodriguésia, Vol 74 (2023)
Abstract Verbenaceae includes 32 genera and approximately 800 species distributed mainly in the Neotropical region, especially diversified in Brazil, where the campo rupestre stands out as an important vegetation type for the family. The Itacolomi St
Externí odkaz:
https://doaj.org/article/809f156166ea4fd9a7939d0b4dda176f
Publikováno v:
Rodriguésia, Vol 72 (2021)
Abstract Rock outcrop vegetation is recognized worldwide by its singular and biodiverse flora. Campo Rupestre forms hyperdiverse mosaics in rocky environments across a wide latitudinal and altitudinal gradient, with high species turnover at macro- an
Externí odkaz:
https://doaj.org/article/7415d5c52b4f46119c598b33583a7bfc
Autor:
Livia Echternacht, Marcelo Trovó
Publikováno v:
PhytoKeys, Vol 48, Pp 43-49 (2015)
We describe and illustrate Paepalanthus serpens, a microendemic species of Eriocaulaceae from the Espinhaço Range. The species is known from a single population growing in rocky areas of the Serra do Cipó, Minas Gerais. It is placed in Paepalanthus
Externí odkaz:
https://doaj.org/article/21652e86c2654b97a6e7f8bf8fb2a782
Publikováno v:
PhytoKeys, Vol 10, Iss 0, Pp 7-12 (2012)
Syngonanthus weddellii var. gracilis Moldenke (1973) was described very briefly based on a single collection. A careful analysis reveals that this variety has dimerous flowers, free petals of the pistillate flower and bifid stigmatic branches. It is
Externí odkaz:
https://doaj.org/article/2c80bf7b4d3d4a8c8bd4c32901c59511
Autor:
Livia Echternacht Andrade
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Esta tese compreende estudos filogenéticos e taxonômicos em Syngonanthus e em Comanthera (Eriocaulaceae). O capítulo I apresenta hipóteses filogenéticas, testando a monofilia dos gêneros, de suas seções e subgêneros, bem como suas relações
Autor:
Marcelo Trovó, Livia Echternacht
Publikováno v:
European Journal of Taxonomy. 834:58-93
The Chapada dos Veadeiros National Park is a conservation unit established to preserve the highest savannahs of Central Brazil and their unique biodiversity. Eriocaulaceae are a relevant and conspicuous family in such high savannahs, but its diversit
Publikováno v:
Phytotaxa. 505:187-200
Two new micro-endemic species of Eriocaulaceae are described from the Campos Rupestres of Serra Nova State Park, a conservation unit located in the Espinhaço Range in northern Minas Gerais state, Brazil. Herein we provide descriptions, illustrations
Publikováno v:
Systematic Botany. 46:24-33
—Three new species of Eriocaulaceae, endemic to the Serra da Canastra in Minas Gerais state, are described. Paepalanthus petraeus is assigned to P. ser. Paepalanthus, differing within the series by its thickened stem accumulating leaf sheaths, line
Publikováno v:
Phytotaxa. 440:171-185
Although described as a distinct species, Paepalanthus elatus is currently considered as a variety of P. argenteus and known only from the type collection. Here, we perform the most comprehensive morphological analysis of P. elatus to date, derived f