Chlorogalum pomeridianum (DC.) Kunth ssp. austrooreganum Callahan
Annotated by Callahan, F., 2007.

Oregon: Jackson: Hidden Valley Ranch, south of Blackwell Hill, on ridge E of Harris Gulch. Elev. 1700 ft.
42.402667° N, 123.006611° W,
Coordinate Source: OrlookId: 3852, StateProvince: Oregon, County: Jackson, LocName: Lat 42 Deg 24 Min 9.6 Sec; Lon -123 Deg 0 Min 23.8 Sec. OregonFlora 1994-2020 methodology.
Growing in quartzite talus w/ Erythronium multiscapideum & E. hendersonii w/ overstory of Quercus garryana, Q. kelloggii, & Arctostaphylos viscida.; quartzite talus. Erythronium hendersonii, Quercus garryana, Quercus kelloggii, Arctostaphylos viscida, Erythronium multiscapideum Holotype. Https://oregonflora.org/collections/individual/index.php?occid=4443134. Holotype.

Frank T. Callahan CPA-HG-2007, May 20, 2007
With Frank Callahan
OSC, Catalog: OSC-V-027599, Accession Number: OSC243400