Calyptridium monospermum Greene
[= Cistanthe monosperma]
Annotated by Chambers, K., 2002.

Oregon: Douglas: Along drainages of the east fork of Abbott Creek; ca. 20 miles west of Crater Lake, near Abbott Butte.; where the Golden Stairs Trail meets the ridge near the southeast corner of the area. Elev. 4150 ft.
42.955556° N, 122.523611° W,
Datum: NAD83. Coordinate Source: OrlookId: 82361, StateProvince: Oregon, County: Douglas or Jackson, LocName: Golden Stairs Trail, E edge of Abbott Creek Research Natural Area. OregonFlora 1994-2020 methodology.
On dry rocky ridge. Https://oregonflora.org/collections/individual/index.php?occid=1036022. Phenology: fruiting.

Rod Mitchell 64, Jun 21, 1972
OSC, Accession Number: OSC141883