Flora of North America species comparison

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Artemisia campestris subsp. pacifica
Photo is of parent taxon

northern wormwood, Pacific field wormwood, Pacific sagewort, western sagewort
Habit Perennials, 30–100 cm.
Stems

2–5.
Leaves

basal rosettes persistent (faces green and glabrous or gray-green and sparsely hairy).
Involucres

turbinate, 2–3 × 2(–3) mm.
Heads

in arrays 10–22 × 1–3(–7) cm.

Artemisia campestris subsp. pacifica
Phenology Flowering mid–late summer.
Habitat Sandy soils, arid regions
Elevation 100–2500 m (300–8200 ft)
Distribution
from FNA
AK; AZ; CA; CO; ID; MT; NE; NM; NV; OR; TX; UT; WA; WY; AB; BC; MB; SK
[BONAP county map]
Discussion

Throughout western North America, members of the Artemisia campestris complex can be assigned to subsp. pacifica. Although morphologically distinct through much of its range, subsp. pacifica may intergrade with subsp. canadensis and A. borealis in areas where their ranges overlap.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 508.
Parent taxa Asteraceae > tribe Anthemideae > Artemisia > subg. Drancunculus > Artemisia campestris
Sibling taxa
A. campestris subsp. canadensis, A. campestris subsp. caudata
Synonyms A. pacifica, A. campestris var. petiolata, A. campestris var. scouleriana, A. desertorum var. scouleriana, Oligosporus campestris subsp. pacificus, Oligosporus pacificus
Name authority (Nuttall) H. M. Hall & Clements: Publ. Carnegie Inst. Wash. 326: 122. (1923)
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.)

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