Taxonomic and ecological review of California <i>Delphinium</i>
نویسندگان
چکیده
منابع مشابه
Burkholderia cepacia: medical, taxonomic and ecological issues.
The increasing challenge posed by multiresistant saprophytes in medical microbiology is strikingly demonstrated by the emergence of Burkholderia (formerly Pseudomonas) cepacia as an opportunist pathogen in immunocompromised patients, particularly individuals with chronic granulomatous disease and cystic fibrosis (CF). Best known previously as a phytopathogen and the cause of soft rot of onions,...
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Field surveys in eastern North America confirm the naturalization of Glossostigma plants at 19 localities in four states: Connecticut, New Jersey, Pennsylvania, and Rhode Island. DNA sequence analysis of individuals from 14 sampled populations identifies these nonindigenous plants as Glossostigma cleistanthum, a species native to Australia and New Zealand. These results correct prior misidentif...
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Among-site variation in metacommunities (beta diversity) is typically correlated with the distance separating the sites (spatial lag). This distance decay in similarity pattern has been linked to both niche-based and dispersal-based community assembly hypotheses. Here we show that beta diversity patterns in community composition, when supplemented with functional-trait information, can be used ...
متن کاملMolecular phylogeny of the Microsporidia: ecological, ultrastructural and taxonomic considerations.
The Microsporidia are a group of obligate intracellular parasites, now thought to be derived fungi. Presented here is a comparative small subunit rDNA (ssrDNA) analysis of 125 species of Microsporidia (sequences obtained from GenBank). This analysis shows that groups or clades are formed based largely on habitat and host. This result is supported by comparative molecular analyses of the past de...
متن کاملThe Utility of Plumage Coloration for Taxonomic and Ecological Studies
Plumage coloration in birds serve multiple purposes, including species recognition, sexual selection cues, and camouflage. Differences in plumage coloration can be used to infer evolutionary relationships, identify distinct taxonomic units, and characterize geographic variation. With the advent of electronic devices to quantify plumage coloration quickly and reliably, taxonomic or geographic di...
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ژورنال
عنوان ژورنال: Collectanea Botanica
سال: 1990
ISSN: 1989-1067,0010-0730
DOI: 10.3989/collectbot.1990.v19.117