Colorado Rare Plant Field Guide

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U.S. Department of Agriculture, Forest Service, 1997
 

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Términos y frases comunes

Pasajes populares

Página 1933 - Critically imperiled globally because of extreme rarity (5 or fewer occurrences or very few remaining individuals or acres) or because of some factor(s) making it especially vulnerable to extinction.
Página 1932 - Rank 4 (G4): Apparently secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Página 1932 - Those plant and animal species identified by a Regional Forester for which population viability is a concern, as evidenced by: significant current or predicted downward trends in population numbers or density; or significant current or predicted downward trends in habitat capability that would reduce a species
Página 13 - US Fish and Wildlife Service. 1996. Endangered and threatened wildlife and plants; review of plant and animal taxa that are candidates for listing as endangered or threatened species.
Página 1932 - Category 2: taxa for which current information indicates that proposing to list as endangered or threatened is possible, but appropriate or substantial biological information is not on file to support an immediate rulemaking.
Página 1932 - Gl Critically imperiled globally because of extreme rarity (5 or fewer occurrences, or very few remaining individuals), or because of some factor of its biology making it especially vulnerable to extinction. (Critically endangered throughout range). G2 Imperiled globally because of rarity (6 to 20 occurrences) or G3 Either very rare...
Página 1932 - Taxa for which the Service has on file sufficient information on biological vulnerability and threat(s) to support proposals to list them as endangered or threatened species.
Página 1932 - Names that, on the basis of current taxonomic understanding, do not represent taxa meeting the Endangered Species Act's definition of "species'. 3C Taxa that have proven to be more abundant or widespread than was previously believed, and/or those that are not subject to any identifiable threat.
Página 1933 - Critically imperiled in state because of extreme rarity (5 or fewer occurrences, or very few remaining individuals, or because of some factor of its biology making it especially vulnerable to extirpation from the state. (Critically endangered in state).
Página 1996 - Lanceolate. Lance-shaped; several times longer than wide, broadest toward the base and tapering to apex.

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