1.	Reviewed by Randall Morgan    Nov 15, 2012
	Action: changed name from "Trifolium albopurpureum" to "Trifolium olivaceum "
	Reviewer's comments:
	"a very significant find. This matches the description of a once-"abundant" species currently believed to be extinct. Originally described from valley grasslands in Solano County and apparently never extended much beyond that. The name has been misapplied to other non-showy members of the T. albop. complex in the SCoR etc. but this is the "real" olivaceum. A related species called T. columbinum occupies other parts of the Sacto Valley, esp. east side, distinguished by rounder heads with conspic. long silvery-gray hair and more conspic. fls. T. oliv. has greenish heads, less hairy and with extra-long (to10-11 mm) reddish-tipped calyx lobes. It also has the shortest fls relative to calyx of any clover I know. In this way it is the opposite extreme from its relative T. amoenum, which coincidentally was also believed extinct until recently. I have searched for T. o. for years, but only inSolano Co. Hopefully you saw more than the one plant. In any case it is essential that grazing continue, and preferably also some localized surface disturbance to revive any dormant seedbank. Need material for DNA analysis, and seed for increase and gene-banks."

 
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