Rock Garden Plants
Crepis occidentalis Nutt. trib. Cichorieae 
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FamilyASTERACEAE
Genus speciesCrepis occidentalis Nutt. trib. Cichorieae
Habitatrocky slopes
Altitude800-2500m
Descriptionappressed grey tomentose, leaves 10-30cm, dentate to pinnatisect, segments linear or lanceolate, dentate, stems branched, capitula 10-30, ca. 2cm across
Size15-30cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
Territory Northern America
     Western Canada (Alberta , British Columbia , Saskatchewan )
     Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming )
     North-Central U.S.A. (South Dakota )
     Southwestern U.S.A. (Arizona , California , Nevada , Utah )
     South-Central U.S.A. (New Mexico)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ASTERACEAE

Crepis occidentalis Nutt., J. Acad. Nat. Sci. Philadelphia 7: 29 (1834)

Synonyms:
Berinia occidentalis (Nutt.) Sch.Bip
Hieracioides occidentalis (Nutt.) Kuntze
Psilochenia occidentalis (Nutt.) Nutt.
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occidentalis typica Babc. & Stebbins, Publ. Carnegie Inst. Wash. 504: 120 (1938)

w. Canada, w. & c. USA
71 ABT BRC SAS 73 COL IDA MNT ORE WAS WYO 74 SDA 76 ARI CAL NEV UTA 77 NWM

1000-2200mm

occidentalis conjuncta Babc. & Stebbins, Publ. Carnegie Inst. Wash. 504: 134 (1938)

Synonyms:
Psilochenia occidentalis conjuncta (Babc. & Stebbins)) W.A.Weber

nw. USA, California
73 COL MNT ORE WAS WYO 76 CAL

1400-2100m

occidentalis costata A.Gray, Bot. California [W.Brewer] 1: 435 (1876)

Synonyms:
Psilochenia occidentalis costata (A.Gray) W.A.Weber

w. Canada, w. USA
71 BRC SAS 73 COL IDA MNT ORE WAS WYO 76 CAL NEV UTA

1200-2500m

occidentalis pumila (Rydb.) Babc. & Stebbins, ibid.

Basionym:
Crepis pumila Rydb., Mem. New York Bot. Gard. 1: 462 (1900)

Synonyms:
Psilochenia occidentalis pumila (Rydb.) W.A.Weber

British Columbia, w. USA
71 BRC 73 IDA MNT ORE WAS 76 CAL NEV UTA

800-1800m

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