Publication: Sida. 21: 213. 2004.
Origin: Native
selected vouchers: WTU
Notes: FNA19: "Variety wenatchense is known only from the Wenatchee Mountains of central Washington. Little is known of its ecology."
FNA key separates out this variety on the basis of th heads being mostly borne singly and peduncles 10–30 cm.
References: (none)