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Preliminary Results of an Investigation into the Life History and Population Dynamics of Calochortus nitidus Dougl. (Liliaceae)

机译:Calochortus nitidus Dougl的生活史和种群动态调查初步结果。 (百合科)

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Calochortus nitidus, a candidate for listing as a Threatened species under the Endangered Species Act, is a regional endemic of northern Idaho and adjacent Washington. It is considered extirpated from the latter state. In Idaho, numerous isolated populations are known to occur. Most of these occur in areas which were too rocky to convert to cropland; grazing of these areas has generally reduced the populations to critically low numbers. Most of the few vigorous populations of the species known are found on public lands of the Nez Perce National Forest. In lieu of formal listing, it was recommended that a Habitat Management Plan (HMP) be developed for populations of the species known from public lands.

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