Rock Garden Plants
Hieracium horridum Fr. trib. Cichorieae 
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FamilyASTERACEAE
Genus speciesHieracium horridum Fr. trib. Cichorieae
BibliographyEpicr. Gen. Hierac.: 154 (1862)
Native RangeOregon to California and Nevada
Primary BiomeTemperate
Habitatrocks
Altitude1300-3700m
Descriptiontaproot, densely long hirsute, stem leaves 3-10cm, oblong, entire, capitula numerous in open panicle, phyllaries glandular and long hirsute
Size10-25cm
Coloryellow
Bloomsummer
Ca
Typeperennial
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings in late summer
SynonymsHieracium breweri A.Gray
Hieracium horridum var. breweri (A.Gray) Zahn
Hieracium horridum var. genuinum Zahn
Hieracium horridum ssp. relicinum Zahn
Pilosella horrida (Fr.) F.W.Schultz & Sch.Bip.
Territory7 Northern America
     73 Northwestern U.S.A. (ORE Oregon)
     76 Southwestern U.S.A. (CAL California, NEV Nevada)
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(c) 1990-2025 RNDr. Pavel Slabý