Antennaria howellii subsp. canadensis

(Greene) R. J. Bayer

Brittonia 41: 397. 1989.

Common names: Canadian pussytoes antennaire du Canada
Basionym: Antennaria canadensis Greene Pittonia 3: 275. 1898
Synonyms: Antennaria canadensis var. randii Fernald Antennaria canadensis var. spathulata Fernald Antennaria neglecta var. randii (Fernald) Cronquist Antennaria neodioica subsp. canadensis (Greene) R. J. Bayer & Stebbins Antennaria neodioica var. randii (Fernald) B. Boivin Antennaria spathulata
Treatment appears in FNA Volume 19. Treatment on page 404.

Plants 15–35 cm (stems stipitate-glandular). Stolons 3–8 cm. Basal leaves 1-nerved, spatulate to oblanceolate, 20–40 × 6–9 mm, tips mucronate, faces abaxially tomentose, adaxially green-glabrous. Cauline leaves linear, 12–30 mm, distal flagged. Heads 3–7 in corymbiform arrays. Involucres: staminate unknown; pistillate 7–10 mm. Phyllaries (sometimes rose at bases) distally white or cream. Corollas: pistillate 4–6.5 mm. Cypselae 1–1.5 mm, papillate; pappi: pistillate 7–9 mm. 2n = 56, 84 (under A. neodioica).

Phenology: Flowering mid spring–early summer.
Habitat: Pastures, dry fields, openings in woodlands and forests, and rock barrens
Elevation: 0–1500 m



Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Sask., Yukon, Conn., Del., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Va., W.Va., Wis.


Subspecies canadensis is almost restricted to the eastern half of North America. It is probably most closely related to Antennaria racemosa of the northern Rockies and A. neglecta of the Great Plains; see R. J. Bayer 1985).

Selected References


Lower Taxa

Randall J. Bayer +
(Greene) R. J. Bayer +
Antennaria canadensis +
Canadian pussytoes +  and antennaire du Canada +
Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Conn. +, Del. +, Ind. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1500 m +
Pastures, dry fields, openings in woodlands and forests, and rock barrens +
Flowering mid spring–early summer. +
Antennaria canadensis var. randii +, Antennaria canadensis var. spathulata +, Antennaria neglecta var. randii +, Antennaria neodioica subsp. canadensis +, Antennaria neodioica var. randii +  and Antennaria spathulata +
Antennaria howellii subsp. canadensis +
Antennaria howellii +
subspecies +