Greene, E. L. 1909. Leafl. Bot. Observ. Crit. 2 : 20.
Type Status:
Holotype
Place:
Chiricahua Mountains, Barfoot Park, stony knolls., Cochise, Arizona, United States, North America
Collection Date:
1907
Notes:
Protologue, "Stony knolls at 8,000 feet in the Chiricahui Mountains, Arizona, 1907, J.C. Blumer." This specimen (USNH 561506), annotated "Type" (by Greene?) is either the holotype or a syntype, depending on the status of another sheet at US, Blumer 1553 (USNH 561766), which is labeled as "Co-type" and may be an isotype or syntype.