| Colias alexandra | W.H. Edwards, 1863 |
TL: USA, Colorado, Front Range, west of Denver
Similar species
38-57 mm
- Local names
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Language Vernacular name 
EnglishAlexandra Sulphur EnglishQueen Alexandra's Sulphur EnglishUltraviolet Sulfur
- Primary hostplants
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Family Latin name Vernacular name Fabaceae Astragalus Milk-vetch Fabaceae Lathyrus Vetchlings Fabaceae Lupinus Lupin Fabaceae Thermopsis Goldenbanners Polygonaceae Oxytheca
- Links
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Language Website Authors Butterflies and Moths of North America Butterflies of America A.Warren, K.Davis, M.Stangeland 
Butterflies of Canada North American Moth Photographers Group
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