Previously included at the species level as L. ravenii. Possibly threatened by grazing and pipeline construction. Distinguished from var. paiutense in having linear to linear-oblong ultimate leaf segments, leaves that are generally more than three and a half times longer than wide, moderately hirtellous to glabrous, with generally persistent leaf bases, and known only from the vicinity of Ravendale, CA. See Bulletin of the Torrey Botanical Club 86(6):379 (1959) for original description, and Aliso 29(2):105-114 (2011) for taxonomic treatment.