Buscar
Mostrando ítems 1-10 de 296
Species delimitation in the Sporobolus aeneus complex (Zoysieae, Chloridoideae, Poaceae) using the phylogenetic species concept
(Wiley, 2010-12)
The "Sporobolus aeneus complex" constitutes a morphologically well‐defined group of species with lax, exerted, pyramidal panicles with verticillate branches, and comprises 14 species and six infraspecific taxa in southern ...
Threatened gastropods under the evolutionary genetic species concept: Redescription and new species of the genus Aylacostoma (Gastropoda: Thiaridae) from High Paraná River (Argentina-Paraguay)
(Wiley Blackwell Publishing, Inc, 2014-11)
The genus Aylacostoma Spix, 1827, is mainly endemic to South America, and comprises about 30 nominal species, most of which were described based solely on conchological features following the typological approaches of most ...
A discussion about the limits of the species conceptUna discusión en torno a los límites del concepto especie
(Universidad de Valparaíso, 2019)
A review of the critics of invasion biology
(Cambridge Philosophical Society, 2020-10)
Herein, I review existing criticisms of the field of invasion biology. Firstly, I identifiy problems of conceptual weaknesses,including disagreements regarding: (i) definitions of invasive, impact, and pristine conditions, ...
Integrative Taxonomic Analyses Sheds Light on Three Historically Disputed American Spermacoce Species, and a Key to the American Species of Spermacoce (Spermacoceae, Rubiaceae)
(American Society of Plant Taxonomists, 2020-08)
There has been great confusion between Spermacoce glabra, S. riparia, andS. tenuior since their original descriptions. These species can bedistinguished mostly by their seed features. Clustering and principal coordinate ...
Essentialism, epistemic values and species conceptsTHEORIA (MADRID)THEORIA (MADR)
(CENTRO DE ANALISIS, LOGICA E INFORMATICA JURIDICA: SERVICIO EDITORIAL, 2016)
A genetic approach to the species problem in wild potato
(Wiley, 2012-07)
Wild potatoes are native to the Americas, where they present very wide geographical and ecological distribution. Most are diploid, obligate out‐crossers due to a multiallelic gametophytic self‐incompatibility (S) locus ...
An updated checklist of the Orchidaceae of PanamáAn updated checklist of the Orchidaceae of Panama
(Universidad de Costa Rica, 2015)