A. m. macrodactylum
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Subspecies
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A. m. columbianum A. m. croceum A. m. krausei A. m. macrodactylum A. m. sigillatum
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Range
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USA: southeastern Alaska south to Tuolumne Co.; California, east to Rocky Mountains, western Montana, and central Idaho; isolated populations in Santa Cruz and Monterey Co., California
Canada: east-central British Columbia, west-central Alberta
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USF&W Listing
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Endangered (A. m. croceum only)
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IUCN Red Book
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Least concern
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CITES
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No listing
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First described
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Baird, 1850
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