Rock Garden Plants
Antennaria howellii Greene trib. Gnaphalieae 
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FamilyASTERACEAE
Genus speciesAntennaria howellii Greene trib. Gnaphalieae
BibliographyPittonia 3: 174 (1897)
Native RangeSubarctic America to w. & c. USA
Primary BiomeTemperate
Habitatrocky slopes
Altitude0-2200m
Descriptionbasal leaves 25-40mm long, oblanceolate to spathulate, 1-3-veined, adaxially green, abaxially tomentose, stem leaves 2-4cm long, linear, capitula 5-12 in corymb
Size8-35cm
Colorwhite
Bloomspring
Ca
Typeperennial
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 13-20°C
division in spring; cuttings in late summer
SynonymsAntennaria callilepis Greene
Antennaria canadensis var. isabellina Greene ex House
Antennaria eximia Greene
Antennaria isabellina Greene ex House
Antennaria neglecta var. howellii (Greene) Cronquist
Antennaria neglecta ssp. howellii (Greene) Hultén
Antennaria neodioica ssp. howellii (Greene) R.J.Bayer
Antennaria petaloidea var. modesta E.E.Nelson
Antennaria russellii B.Boivin
Antennaria spathulata var. continentis Fernald & H.St.John
Territory7 Northern America
     70 Subarctic America (YUK Yukon)
     71 Western Canada (ABT Alberta, BRC British Columbia, SAS Saskatchewan)
     72 Eastern Canada (ONT Ontario)
     73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming)
     74 North-Central U.S.A. (MIN Minnesota, SDA South Dakota, WIS Wisconsin)
     76 Southwestern U.S.A. (CAL California, UTA Utah)
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(c) 1990-2025 RNDr. Pavel Slabý