Rock Garden Plants
Agoseris aurantiaca (Hook.) Greene trib. Cichorieae 
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FamilyASTERACEAE
Genus speciesAgoseris aurantiaca (Hook.) Greene trib. Cichorieae
BibliographyPittonia 2: 177 (1891)
Native RangeSubarctic America to w. & c. USA, e. Canada
Primary BiomeTemperate
Habitatgrassland
Altitude200-3600m
Descriptionglabrous, leaves 5-35cm long, 1-3cm wide, usually obtuse, entire, capitula very rarely yellow, usually fading purple
Size8-40cm
Colororange
Bloomsummer
Ca
Typeperennial
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
SynonymsAgoseris angustissima Greene
Agoseris arachnoidea Rydb.
Agoseris gaspensis Fernald
Agoseris gracilens (A.Gray) Kuntze
Agoseris gracilens var. greenei (A.Gray) Jeps.
Agoseris gracilenta Greene
Agoseris gracilenta var. greenei (A.Gray) Greene
Agoseris greenei (A.Gray) Rydb.
Agoseris howellii Greene
Agoseris nana Rydb.
Agoseris naskapensis J.Rousseau & Raymond
Agoseris prionophylla Greene
Agoseris roseata Rydb.
Agoseris subalpina G.N.Jones
Agoseris vulcanica Greene
Macrorhynchus aurantiacus Fisch. & C.A.Mey.
Stylopappus pumilus D.Dietr.
Troximon arachnoideum A.Nelson
Troximon aurantiacum Hook.
Troximon gracilens A.Gray
Troximon gracilens var. greenei A.Gray
Territory7 Northern America
     70 Subarctic America (ASK Alaska, NWT Northwest Territories, YUK Yukon)
     71 Western Canada (ABT Alberta, BRC British Columbia)
     72 Eastern Canada (QUE Québec)
     73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming)
     74 North-Central U.S.A. (SDA South Dakota)
     76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah)
     77 South-Central U.S.A. (NWM New Mexico)
Version 10.0
(c) 1990-2025 RNDr. Pavel Slabý