Lathyrus hitchcockianus is a vine that is native to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).
[nwwildflowers.com] Limited Range: Lathyrus hitchcockianus is known only from the Bullfrog Hills and Yucca Mountain in Nye County, Nevada, and the Grapevine Mountains of adjacent Inyo County, California. (link added by Mary Ann Machi)