Cerastium fontanum subsp. vulgare

(Hartman) Greuter & Burdet
Willdenowia 12: 37. 1982.
WeedyIntroduced
Basionym: Cerastium vulgare Hartman Handb. Skand. Fl., 182. 1820
Synonyms: Cerastium caespitosum Gilibert Cerastium fontanum subsp. triviale (Link) Jalas Cerastium triviale Linnaeus Cerastium vulgatum var. hirsutum Fries
Treatment appears in FNA Volume 5. Treatment on page 86. Mentioned on page 83, 87.

Plants perennial (very rarely annual). Inflorescences usually eglandular, occasionally viscid and glandular. Petals equaling sepals. Capsules 9–13 mm. Seeds 0.4–0.9 mm; tubercles small. 2n = ca. 122–152, usually 144.


Phenology: Flowering throughout growing season.
Habitat: A common weed in grassy places: lawns, roadsides, pastures, open woodlands, wastelands
Elevation: 0-3000 m

Distribution

V5 178-distribution-map.gif

Introduced; Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, introduced worldwide.

Discussion

Small annual forms of subsp. vulgare can be difficult to separate from Cerastium pumilum. The latter has smaller capsules, narrower and sharply acute sepals, and short, glandular hairs on the sepals, bracts, and inflorescence.

Selected References

None.

Lower Taxa

None.

John K. Morton +
(Hartman) Greuter & Burdet +
Cerastium vulgare +
Greenland +, St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Ala. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Europe +  and introduced worldwide. +
0-3000 m +
A common weed in grassy places: lawns, roadsides, pastures, open woodlands, wastelands +
Flowering throughout growing season. +
Willdenowia +
Weedy +  and Introduced +
Cerastium caespitosum +, Cerastium fontanum subsp. triviale +, Cerastium triviale +  and Cerastium vulgatum var. hirsutum +
Cerastium fontanum subsp. vulgare +
Cerastium fontanum +
subspecies +