 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).  Colorado Rare Plant Field Guide - Página 19401997Vista completa - Acerca de este libro
 | Steve Anderson, Mitchel White, Duane Atwood - 1991 - 58 páginas
...especially vulnerable to extirpation from the state (critically endangered in state). 52 Imperiled in the state because of rarity (6 to 20 occurrences), or...vulnerable to extirpation from the state (endangered in state). 53 Rare in the state (on the order of 20 + occurrences (threatened in state)). SU Possibly... | |
 | Walter Fertig - 1995 - 296 páginas
...especially vulnerable to extinction. (Critically endangered throughout its range). G2 Imperiled globally because of rarity (6 to 20 occurrences) or because...factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range). G3 Very rare or local throughout... | |
| |
