Burke: Lupinus arbustus vs. Lupinus pusillus

	Lupinus arbustus	Lupinus pusillus
	longspur lupine, spurred lupine	low lupine, rusty lupine

	Lupinus arbustus	Lupinus pusillus
Flowering time	May-July	May-June
Habitat	Sagebrush deserts and ponderosa pine forest openings.	Sagebrush desert, often where sandy.
Distribution	Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in south-central Washington; Washington to California, east to the Rocky Mountains and Great Plains. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	L. albicaulis, L. arboreus, L. argenteus, L. bicolor, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. microcarpus, L. nootkatensis, L. oreganus, L. pachylobus, L. polyphyllus, L. pusillus, L. rivularis, L. sabinianus, L. saxosus, L. sericeus, L. sulphureus	L. albicaulis, L. arboreus, L. arbustus, L. argenteus, L. bicolor, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. microcarpus, L. nootkatensis, L. oreganus, L. pachylobus, L. polyphyllus, L. rivularis, L. sabinianus, L. saxosus, L. sericeus, L. sulphureus
Subordinate taxa		L. pusillus var. intermontanus
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search