Flora of North America species comparison

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Corispermum americanum var. americanum

Corispermum americanum var. rydbergii
Photo is of parent taxon

American bug-seed, common bug-seed
Photo is of parent taxon

American bugseed
Inflorescences

interrupted or condensed distally.

always interrupted.
Fruits

(2.3–)2.5–3.5 mm;

wing usually 0.2–0.3 mm wide (occasionally fruits almost wingless in some southwestern plants).

(3–)3.5–4.5 × 2.5–3.5 mm;

wing 0.3–0.4(–0.5) mm wide.

Corispermum americanum var. americanum

Corispermum americanum var. rydbergii
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Sand dunes, sandy and gravely shores, sandy waste places, fields Sandy areas
Elevation 100-2000 m (300-6600 ft) 100-2000 m (300-6600 ft)
Distribution
from FNA
AR; AZ; CA; CO; ID; IL; IN; KS; MN; MO; MT; ND; NE; NJ; NM; NV; NY; OH; OK; OR; SD; TX; UT; WA; WI; WY; AB; BC; MB; ON; QC; SK; n Mexico (Chihuahua) [Probably Europe (locally introduced and confused with C. nitidum)]
from FNA
AZ; CO; NM; TX; UT; n Mexico (Chihuahua)
Source FNA vol. 4, p. 316. FNA vol. 4, p. 316.
Parent taxa Chenopodiaceae > Corispermum > Corispermum americanum Chenopodiaceae > Corispermum > Corispermum americanum
Sibling taxa
C. americanum var. rydbergii
C. americanum var. americanum
Name authority unknown Mosyakin: Novon 5: 351. (1995)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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