Lackschewitz, K. (1991). Vascular plants of west-central Montana identification guidebook. Intermountain Research Station.
Citace podle Chicago (17th ed.)Lackschewitz, Klaus. Vascular Plants of West-central Montana Identification Guidebook. Ogden: Intermountain Research Station, 1991.
Citace podle MLA (9th ed.)Lackschewitz, Klaus. Vascular Plants of West-central Montana Identification Guidebook. Intermountain Research Station, 1991.
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