Corispermum americanum var. americanum

Treatment appears in FNA Volume 4. Treatment on page 316.

Inflorescences interrupted or condensed distally. Fruits (2.3–)2.5–3.5 mm; wing usually 0.2–0.3 mm wide (occasionally fruits almost wingless in some southwestern plants).


Phenology: Flowering late summer–fall.
Habitat: Sand dunes, sandy and gravely shores, sandy waste places, fields
Elevation: 100-2000 m

Distribution

Alta., B.C., Man., Ont., Que., Sask., Ariz., Ark., Calif., Colo., Idaho, Ill., Ind., Kans., Minn., Mo., Mont., Nebr., Nev., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., S.Dak., Tex., Utah, Wash., Wis., Wyo., n Mexico (Chihuahua), probably Europe (locally introduced and confused with C. nitidum).

Discussion

Selected References

None.

Lower Taxa

None.
Sergei L. Mosyakin +
(Nuttall) Nuttall +
Corispermum hyssopifolium var. americanum +
Alta. +, B.C. +, Man. +, Ont. +, Que. +, Sask. +, Ariz. +, Ark. +, Calif. +, Colo. +, Idaho +, Ill. +, Ind. +, Kans. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.J. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wis. +, Wyo. +, n Mexico (Chihuahua) +  and probably Europe (locally introduced and confused with C. nitidum). +
100-2000 m +
Sand dunes, sandy and gravely shores, sandy waste places, fields +
Flowering late summer–fall. +
Trans. Amer. Philos. Soc., n. s. +
Illustrated +
Corispermum imbricatum +, Corispermum marginale +  and Corispermum simplicissimum +
Corispermum americanum var. americanum +
Corispermum americanum +
variety +