Much like no. 1 [Lomatium foeniculaceum (Nutt.) J. M. Coult. & Rose]; ultimate lf- segments oblong-linear, 2-10 mm; bractlets glabrous or nearly so, scarious-margined, wholly separate; fls white or pinkish. Prairies and plains; w. Minn. and Io. to Mont. and Colo. Apr.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.