[The Pea Family West of the Cascade Mountains]
Peas, Peavines and Vetchlings West of the Cascade Mountains of Oregon and Washington

The Genus Lathyrus

Maritime Peavine, Beach Pea, Pinewoods Peavine: Lathyrus japonicus var. glaber

Beach Pea: Lathyrus japonicus var. glaber

Angled Pea: Lathyrus angulatus -

Yellow Pea, Yellow Vetchling: Lathyrus aphaca -

Few-flowered Pea: Lathyrus brownii (Synonyms: Lathyrus lanszwertii var. brownii, Lathyrus pauciflorus ssp. brownii) -

Del Norte Pea: Lathyrus delnorticus -

Rough Peavine: Lathyrus hirsutus -

Thin-leaf Pea, Thin-leaf Vetchling, Thin-leaved Peavine: Lathyrus holochlorus -

Maritime Peavine, Beach Pea, Pinewoods Peavine: Lathyrus japonicus var. glaber -

Nevada Peavine: Lathyrus lanswertii var. aridus (Synonym: Lathyrus lanszwertii ssp. aridus) - Uncommon west of the Cascade crest in Oregon.

Perennial Pea, Perennial Peavine, Everlasting Pea, Everlasting-pea: Lathyrus latifolius (Synnonym: Lathyrus latifolius var. splendens) -

Beach Peavine, Gray Beach Pea, Silky Beach Pea, Silky Beach Vetchling: Lathyrus littoralis -

Sierra Peavine, Sierran Peavine: Lathyrus nevadensis var. nevadensis (Synonym: Lathyrus lanceolatus, Lathyrus nevadensis var. pilosellus, Lathyrus nevadensis var. nuttallii, Lathyrus nevadensis ssp. nevadensis, Lathyrus nevadensis ssp. lanceolatus, Lathyrus nuttallii) -

Grass Vetchling: Lathyrus nissolia -

Marsh Pea, Marsh Peavine: Lathyrus palustris (Synonyms: Lathyrus palustris ssp. pilosus, Lathyrus palustris var. linearifolius, Lathyrus palustris var. macranthus, Lathyrus palustris var. meridionalis, Lathyrus palustris var. myrtifolius, Lathyrus palustris var. palustris, Lathyrus palustris var. pilosus, Lathyrus palustris var. retusus) -

Few-flowered Pea, Few-flowered Peavine: Lathyrus pauciflorus var. pauciflorus (Synonyms: Lathyrus pauciflorus ssp. pauciflorus var. pauciflorus, Lathyrus pauciflorus var. tenior) -

Leafy Pea, Leafy Peavine: Lathyrus polyphyllus -

Grass Peavine, Grass Pea: Lathyrus sphaericus -

Sulphur Pea: Lathyrus sulphureus (Synonym: Lathyrus nevadensis ssp. stipulaceus, Lathyrus sulphureus var. sulphureus) -

Flat Pea, Flat Peavine, Narrow-leaf Pea: Lathyrus sylvestris -

Tangier Pea: Lathyrus tingitanus -

Torrey's Pea: Lathyrus torreyi -

Tracy's Nevada Pea, Tracy's Pea: Lathyrus tracyi (Synonym: Lathyrus lanszwertii var. tracyi) - ?

Spring Vetchling: Lathyrus vernus -

Bolander's Pea, Pacific Pea: Lathyrus vestitus var. ochropetalus (Synonyms: Lathyrus bolanderi, Lathyrus vestitus ssp. bolanderi, Lathyrus vestitus ssp. ochropetalus) -

Pacific Pea: Lathyrus vestitus var. vestitus (Synonym: Lathyrus vestitus ssp. vestitus) -

Paul Slichter E-mail