Results 31 to 40 of about 1,671,323 (269)

Could leaf morphoanatomy characters help in the delimitation of Dyckia selloa complex? [PDF]

open access: yesActa Botânica Brasílica, 2023
Among species of the genus Dyckia Schult. & Schult. f. there are 13 endemic species of the Brazilian states of Rio Grande do Sul and Santa Catarina informally treated as the Dyckia selloa complex.
Juliana Troleis   +3 more
doaj   +1 more source

The Colletotrichum acutatum species complex

open access: yesStudies in Mycology, 2012
Colletotrichum acutatum is known as an important anthracnose pathogen of a wide range of host plants worldwide. Numerous studies have reported subgroups within the C. acutatum species complex. Multilocus molecular phylogenetic analysis (ITS, ACT, TUB2, CHS-1, GAPDH, HIS3) of 331 strains previously identified as C.
Damm, U.   +3 more
openaire   +2 more sources

Cryptic species diversity in polypores: the Skeletocutis nivea species complex [PDF]

open access: yesMycoKeys, 2018
We propose a taxonomic revision of the two closely related white-rot polypore species,Skeletocutisnivea(Jungh.) Jean Keller andS.ochroalbaNiemelä (Incrustoporiaceae, Basidiomycota), based on phylogenetic analyses of nuclear ribosomal internal transcribed spacer (ITS) and translation elongation factor EF-1α sequences.
Aku Korhonen   +2 more
openaire   +6 more sources

Species Delimitation and Conservation in Taxonomically Challenging Lineages: The Case of Two Clades of Capurodendron (Sapotaceae) in Madagascar

open access: yesPlants, 2021
Capurodendron is the largest endemic genus of plants from Madagascar, with around 76% of its species threatened by deforestation and illegal logging.
Carlos G. Boluda   +4 more
doaj   +1 more source

Cytological and isoenzyme analysis of the Bucay and Quevedo cytotypes of the onchocerciasis vector Simulium exiguum (Diptera: Simuliidae) in Ecuador

open access: yesMemorias do Instituto Oswaldo Cruz, 1993
Four cytotypes of Simulium exiguum occur in Ecuador, where this morphospecies is the primary vector of onchocerciasis. In this paper, we give the first full description of the banding pattern of the larval polytene chromosomes of the Quevedo cytotypes ...
M. Charalambous   +4 more
doaj   +1 more source

A brain and a head for a different habitat: Size variation in four morphs of Arctic charr (Salvelinus alpinus (L.)) in a deep oligotrophic lake

open access: yesEcology and Evolution, 2020
Adaptive radiation is the diversification of species to different ecological niches and has repeatedly occurred in different salmonid fish of postglacial lakes.
Ana‐Maria Peris Tamayo   +4 more
doaj   +1 more source

On the Neoechinorhynchus agilis (Acanthocephala: Neoechinorhynchidae) complex, with a description of Neoechinorhynchus ponticus n. sp. from Chelon auratus in the Black Sea

open access: yesParasite, 2020
We recognize four species in the Neoechinorhynchus agilis complex. We studied specimens of Neoechinorhynchus (Hebesoma) personatus Tkach, Sarabeev & Shvetsova, 2014 from Mugil cephalus in the Mediterranean Sea off Tunisia and in the Black Sea, and also ...
Amin Omar M.   +4 more
doaj   +1 more source

Ceratozamia dominguezii (Zamiaceae): A New Cycad Species from Southeastern Mexico

open access: yesTaxonomy, 2021
Ceratozamia dominguezii (Zamiaceae), a new species endemic to the lowland karstic tropical rainforests of southeastern Veracruz, Mexico, is described. The new species is part of the C.
Miguel Angel Pérez-Farrera   +4 more
doaj   +1 more source

Species Distinction in the Trichophyton rubrum Complex [PDF]

open access: yesJournal of Clinical Microbiology, 2019
The Trichophyton rubrum species complex comprises commonly encountered dermatophytic fungi with a worldwide distribution. The members of the complex usually have distinct phenotypes in culture and cause different clinical symptoms, despite high genome similarity.
Huilin Su   +13 more
openaire   +5 more sources

A new species in the Spirobranchus kraussii complex (Annelida: Serpulidae) from Australia

open access: yesRecords of the Australian Museum
The blue coral-worm Spirobranchus kraussii (Baird, 1864) (Annelida: Serpulidae) was originally described from South Africa and reported as a widely distributed Indo-Pacific species, however it is now recognized as a complex of regionally distributed ...
Ivison Brandao   +2 more
doaj   +1 more source

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