Lomatium lithosolamans J. F. Sm. & Feist

Tauschia hooveri Math. & Const. Madrono 7: 65. 1943
Acaulescent with a pseudoscape from a globose tuber, 10-14 cm. high, glabrous and glaucous throughout; leaves ovate-deltoid in general outline, excluding the petioles 3-5 cm. long, 4-6 cm. broad, pinnate to partially bipinnate, the leaflets linear, acuminate, 15-35 mm. long, 1-2 mm. broad, entire, callous-tipped, the margins reflexed; petioles 2-3 cm. long; peduncles slender, 2-4 cm. long; involucre and involucel wanting; fertile rays 3-7, stout, unequal, 2-10 mm. long; pedicels 1-3 mm. long; calyx-teeth obsolete; flowers w-hite, the anthers purple; styles short, filiform, recurved; carpophore 2-cleft about half-way to the base, the halves approximate to the tip; fruit linear-oblong, tapering slightly at the apex, 5-7 mm. long, about 2 mm. broad, glaucous, the ribs filiform but evident ; oil-tubes small, usually 1 in the intervals, 2 on the commissure; seedface nearly plane.
Type locality: "Near Cowiche." Yakima County, Washington, Hoover 5689. Distribution: Yakima County, Washington (Hoover 5616).