Silvery Lupine, Longspur Lupine, Spur Lupine, Spurred Lupine: Lupinus arbustus (Synonyms: Lupinus amniculi-putori, Lupinus arbustus ssp. arbustus, Lupinus arbustus ssp. calcaratus, Lupinus arbustus ssp. neolaxiflorus, Lupinus arbustus ssp. pseudoparviflorus, Lupinus arbustus ssp. silvicola, Lupinus arbustus var. calcaratus, Lupinus arbustus var. montanus, Lupinus argenteus var. laxiflorus , Lupinus argenteus var. stenophyllus , Lupinus argenteus var. tenellus , Lupinus calcaratus, Lupinus caudatus var. submanens, Lupinus laxiflorus, Lupinus laxiflorus var. arbustus, Lupinus laxiflorus var. calcaratus, Lupinus laxiflorus var. cognatus, Lupinus laxiflorus var. elmerianus, Lupinus laxiflorus var. laxiflorus, Lupinus laxiflorus var. lyleanus, Lupinus laxiflorus var. pseudoparviflorus, Lupinus laxiflorus var. silvicola, Lupinus laxispicatus, Lupinus mucronulatus var. umatillensis, Lupinus wenachensis, Lupinus yakimensis) -
Bicolored Lupine, Small-flower Lupine, Two-color Lupine: Lupinus bicolor (Synonyms: Lupinus bicolor ssp. bicolor, Lupinus hirsutulus, Lupinus micranthus var. bicolor, Lupinus polycarpus, Lupinus strigulosus) -
Bingen Lupine, Whitish Lupine: Lupinus sulphureus var. subsaccatus (Synonyms: Lupinus bingenensis, Lupinus bingenensis var. albus, Lupinus bingenensis var. bingenensis, Lupinus bingenensis var. dubius, Lupinus bingenensis var. roseus, Lupinus bingenensis var. subsaccatus, Lupinus leucopsis var. bingenensis, Lupinus leucopsis var. dubius, Lupinus leucopsis var. hendersonianus, Lupinus leucopsis var. shermanensis, Lupinus sulphureus ssp. subsaccatus, Lupinus sulphureus var. bingenensis) -
Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Note: the following Columbia Gorge lupine has recently been lumped into this taxa.
Arctic Lupine, Broadleaf Lupine, Cascade Lupine, Subalpine Lupine: Lupinus latifolius var. subalpinus (Synonym: Lupinus arcticus ssp. subalpinus) - Here's a second page dedicated to subalpine lupine.
Columbia Gorge Broad-leaf Lupine, Columbia Gorge Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius ssp. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus, Lupinus latifolius x sericeus) -
Desert Lupine, Dry Ground Lupine, Prairie Lupine: Lupinus lepidus var. aridus (Synonyms: Lupinus aridus ssp. aridus, Lupinus aridus var. aridus, Lupinus lepidus ssp. aridus, Lupinus volutans) -
Pacific Lupine: Lupinus lepidus var. lepidus (Synonyms: Lupinus lepidus ssp. lepidus, Lupinus minimus) -
Dwarf Lupine, Elegant Lupine, Low Mt. Lupine, Prairie Lupine, Prostrate Lupine: Lupinus lepidus var. lobbii (Synonyms: Lupinus lyallii var. fruticulosus, Lupinus lyallii var. lobbii, Lupinus lyallii ssp. lyallii, Lupinus lyallii var. lyallii, Lupinus lyallii var. macroflorus, Lupinus lyallii ssp. minutifolius, Lupinus lyallii var. roguensis, Lupinus lyallii var. villosis, Lupinus minutifolius, Lupinus sellulus ssp. sellulus var. lobbii, Lupinus sellulus var. lobbii) -
Velvet Lupine: Lupinus leucophyllus var. leucophyllus (Synonyms: Lupinus cyaneus, Lupinus enodatus, Lupinus forslingii, Lupinus holosericeus var. amblyophyllus, Lupinus leucophyllus ssp. leucophyllus, Lupinus leucophyllus var. belliae, Lupinus leucophyllus var. plumosus, Lupinus leucophyllus var. retrorsus, Lupinus macrostachys, Lupinus plumosus, Lupinus retrorsus) -
Field Lupine, Small-flowered Lupine: Lupinus polycarpus (Synonyms: Lupinus bicolor ssp. microphyllus, Lupinus micranthus) - Note: I keep this as a separate species from Lupinus bicolor as the flowers are different.
Large-leaved Lupine, Many-leaved Lupine: Lupinus polyphyllus var. burkei (Synonym: Lupinus burkei ssp. burkei) -
Wyeth's Lupine: Lupinus polyphyllus var. humicola (Synonyms: Lupinus arcticus var. humicola, Lupinus humicola, Lupinus rydbergii, Lupinus wyethii) -
Bigleaf Lupine, Large-leaved Lupine, Many-leaved Lupine: Lupinus polyphyllus var. polyphyllus (Synonyms: Lupinus matanuskensis, Lupinus pseudopolyphyllus, Lupinus stationis) -
Mt. Adams Lupine, Silky Lupine: Lupinus sericeus var. sericeus (Synonyms: Lupinus alpicola, Lupinus buckinghamii, Lupinus fikeranus, Lupinus flavicaulis, Lupinus flexuosus, Lupinus huilcoflorus, Lupinus ramosus, Lupinus sericeus Pursh ssp. sericeus, Lupinus sericeus Pursh var. fikeranus, Lupinus sericeus Pursh var. flexuosus, Lupinus sericeus Pursh var. subflexuosus, Lupinus spiraeaphilus, Lupinus tuckerianus) - (Additional photos)
