Taxon Report

Corispermum americanum (Nuttall) Nuttall var. americanum

American bugseed

Print Report

Taxon Summary

Corispermum americanum var. americanum, commonly known as American bugseed, is a annual herb in the Chenopodiaceae that is found in California and elsewhere. It occurs within Desert dunes, growing at elevations from 880 to 1160 meters. Corispermum americanum var. americanum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Corispermum americanum (Nuttall) Nuttall var. americanum
Common Name:	American bugseed
Family:	Chenopodiaceae
Element Code:	PDCHE0A091
USDA Plants Symbol:	COAMA2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	880-1160 (2885-3805)
General Habitats:	Desert dunes
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5?T5?
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2009-05-11

Occurrence Data from the CNDDB


Total Occurrences:	3
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
East of Joshua Flats (3711727), Last Chance Range SW (3711716)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	2	67 %
Non-native plant impacts	2	66%

Notes



Possibly threatened by non-native plants.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2009-05-11

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].