Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr. belongs to the Apiaceae family. Flora of the World contains 7 recorded occurrences of this taxon, distributed across 1 country.
Osmorhiza occidentalis, CDavidson11261--IID. Valley Co. Trail to Box Lake. 8 Jul 08. 028b.jpg
Family
Apiaceae
Genus
Osmorhiza
Specific Epithet
occidentalis
Authorship
(Nutt. ex Torr. & A. Gray) Torr.
7/7/2008
Location
USA, Idaho, Valley
44.158000, -116.118361
Location Remarks
Highway 55 c. 10 km north of the bridge at Banks. Mixed conifer forest along the N. Fork Payette River.
Collectors
No collectors specified
7/11/2012
Location
USA, Idaho, Bear Lake
42.431667, -111.562722
Location Remarks
Sherman Peak Area. Follow North Canyon Rd. (Forest Road 401) ) from Hwy 36 near E entrance to Emmigration Canyon. At intersection of Bartlett Lake and North Canyon Rd. (1.9 mi. from Hwy 36), go W on N Canyon Rd. past Mill Hollow Rd. At 4.7 mi. from Hwy 36 turn N at Meadow Creek (FR 425). Stop along Meadow Creek, ca. 0.8 mi. N of North Canyon Rd.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Patches of Douglas fir on N slope, and maple-riparian along the creek.
7/22/2021
Location
USA, Oregon, Harney
42.666944, -118.711194
Location Remarks
South Steens Mountain Loop, c. 6 km east of bridge at Donner and Blitzen River. 1806 m elev.
Collectors
Christopher Davidson, Charlotte M. Taylor, Roy E. Gereau, Sharon R. Christoph
Notes
Rocky hillside east of the road; within sagebrush steppe. Stems to 1 m.
6/16/2017
Location
USA, Idaho, Fremont
44.289333, -111.459389
Location Remarks
Intersection of Hwy 20 and Pinehaven Rd. ca. 16 km S of bridge in Island Park and 26 km N of Main St. in Ashton. Elev. 1868 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Riparian zone, Salix thicket with grassy clearings.
5/25/2017
Location
USA, Idaho, Boise
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
Notes
Ponderosa Pine/Douglas Fir forest on steep, rock W slope above (E of) Big Pine Cr., with Prunus, Ceanothus, Balsamorhiza.
6/17/2013
Location
USA, Idaho, Boise
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
No collectors specified
Notes
Montane; seasonally moist roadside in Abies forest.
8/12/2011
Location
USA, Idaho, Valley
44.158000, -116.118361
Location Remarks
Highway 55 c. 10 km north of the bridge at Banks. Mixed conifer forest along the N. Fork Payette River.
Collectors
Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor
