Rock Garden Plants
Erigeron trifidus Hook. trib. Astereae 
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FamilyASTERACEAE
Genus speciesErigeron trifidus Hook. trib. Astereae
BibliographyFl. Bor.-Amer. 2: 17 (1834)
Native RangeAlberta to British Columbia
Primary BiomeSubalpine
Habitatscree
Altitude2600-3400m
Descriptiontaproot, basal leaves spathulate, usually trilobate, coarsely ciliate, hirsute, capitula solitary, involucre purple, hirsute, glandular, ligules 20-40, 10-15mm long
Size3-8cm
Colorwhite, rose
Bloomsummer
Ca
Typeperennial
Cultivationgravelly, humous, moist, sunny site
alpine house, moist, humous, gravelly soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 16-21°C
cuttings in spring and late summer
SynonymsErigeron compositus var. trifidus (Hook.) A.Gray
Erigeron compositus ssp. trifidus (Hook.) Piper
Erigeron compositus f. trifidus (Hook.) Fernald
Territory7 Northern America
     71 Western Canada (ABT Alberta, BRC British Columbia)
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(c) 1990-2025 RNDr. Pavel Slabý