Rock Garden Plants
Packera thurberi (A.Gray) B.L.Turner trib. Senecioneae 
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FamilyASTERACEAE
Genus speciesPackera thurberi (A.Gray) B.L.Turner trib. Senecioneae
SynonymsSenecio thurberi A.Gray
 Senecio acutidens Rydb.
 Senecio densus Greene
Habitatamerican prairie
Altitude1000-2000m
Descriptionbasal leaves thick, petiolate, lanceolate, 2-4cm, entire, at apex dentate, stem leaves reduced, capitula 4-15 in corymb, involucre green, ligules 8-10, 5-8mm long
Size10-30cm
Coloryellow
Bloomlate spring, summer
Ca
Typesubshrub
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 16-21°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Colorado , Wyoming )
     North-Central U.S.A. (Kansas , North Dakota , Nebraska , Oklahoma , South Dakota )
     South-Central U.S.A. (New Mexico , Texas)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ASTERACEAE

Packera thurberi (A.Gray) B.L.Turner, Phytologia 90(1): 48 (2008)

Basionym:
Senecio thurberi A.Gray, Proc. Acad. Nat. Sci. Philadelphia 15: 68 (1964)

Synonyms:
Packera tridenticulata (Rydb.) W.A.Weber & Á.Löve
Senecio acutidens Rydb.
Senecio compactus (A.Gray) Rydb. ex Porter & Britton
Senecio densus Greene
Senecio manitobensis Greenm.
Senecio oblanceolatus Rydb.
Senecio tridenticulatus Rydb.

nw. & c. USA
73 COL WYO 74 KAN NDA NEB OKL SDA 77 NWM TEX

1000-2000m

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