PLANTS Profile for Achillea millefolium var. occidentalis (western yarrow)

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PLANTS Profile

Achillea millefolium L. var. occidentalis DC.
western yarrow

Symbol:

ACMIO

Group:

Dicot

Family:

Asteraceae

Duration:

Perennial

Growth Habit:

Forb/herb

Native Status:

L48		N
AK		N
CAN		N
GL		N
SPM		N

Click on the image below to enlarge it and download a high-resolution JPEG file.

Photo of Achillea millefolium L. var. occidentalis DC.

Achillea lanulosa

Brother Alfred Brousseau. Courtesy of St. Mary's College of California. ©St. Mary's College of California. Usage Requirements. Any use of copyrighted images requires notification of the copyright holder.

More Information:

Images:
Achillea millefolium L. var. occidentalis DC.

Click on a thumbnail to view an image, or see all the Achillea thumbnails at the PLANTS Gallery

Synonyms:
Achillea millefolium L. var. occidentalis DC.

	ACAN7	Achillea angustissima Rydb.
	ACAS2	Achillea aspleniifolia auct. non Vent.
	ACER2	Achillea eradiata Piper
	ACGR5	Achillea gracilis Raf.
	ACLA5	Achillea lanulosa Nutt.
	ACLAT	Achillea lanulosa Nutt. ssp. typica D.D. Keck
	ACLAA3	Achillea lanulosa Nutt. var. arachnoidea Lunell
	ACLAE	Achillea lanulosa Nutt. var. eradiata (Piper) M. Peck
	ACLA3	Achillea laxiflora Pollard & Cockerell
	ACMIL	Achillea millefolium L. ssp. lanulosa (Nutt.) Piper
	ACMIO2	Achillea millefolium L. ssp. occidentalis (DC.) Hyl.
	ACMIP5	Achillea millefolium L. ssp. pallidotegula B. Boivin
	ACMIA4	Achillea millefolium L. var. aspleniifolia (Vent.) Farw.
	ACMIG2	Achillea millefolium L. var. gracilis (Raf.) Raf. ex DC.
	ACMIL3	Achillea millefolium L. var. lanulosa (Nutt.) Piper
	ACMIR	Achillea millefolium L. var. rosea (Desf.) Torr. & A. Gray
	ACMIR2	Achillea millefolium L. var. russeolata B. Boivin
	ACOC	Achillea occidentalis (DC.) Raf. ex Rydb.
	ACRO4	Achillea rosea Desf.
	ACTO3	Achillea tomentosa Pursh, non L.

Distribution:
Achillea millefolium L. var. occidentalis DC.


View Native Status

See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM)

Related Taxa:
Achillea millefolium L. var. occidentalis DC.

View 477 genera in Asteraceae, 31 species in Achillea, 12 varieties in Achillea millefolium L.

Classification:
Achillea millefolium L. var. occidentalis DC.

Click on a scientific name below to expand it in the PLANTS Classification Report.


Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Asteridae
Order	Asterales
Family	Asteraceae – Aster family
Genus	Achillea L. – yarrow
Species	Achillea millefolium L. – common yarrow
Variety	Achillea millefolium L. var. occidentalis DC. – western yarrow

U.S. Weed Information:
Achillea millefolium L. var. occidentalis DC.

Achillea lanulosa
western yarrow
Achillea millefolium
bloodwort
carpenter's weed
common yarrow
hierba de las cortaduras
milfoil
plumajillo

The related entities and synonyms italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.

KY		Haragan, P.D. 1991. Weeds of Kentucky and adjacent states: a field guide. The University Press of Kentucky. Lexington, Kentucky. 278pp.
N'EAST		Uva, R.H., J.C. Neal, & J.M. DiTomaso. 1997. Weeds of the Northeast. Cornell University Press. Ithaca, New York. 397pp.
NE&GP		Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska. 589pp.
SWSS		Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.
WSWS		Whitson, T.D. (ed.) et al. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming. 630pp.

Wetland Indicator Status:
Achillea millefolium L. var. occidentalis DC.

Achillea millefolium:

Nat. Ind.

Reg. 1

Reg. 2

Reg. 3

Reg. 4

Reg. 5

Reg. 6

Reg. 7

Reg. 8

Reg. 9

Reg. 0

Reg. A

Reg. C

Reg. H

UPL,FACU

FACU

UPL

Interpreting Wetland Indicator Status

More Accounts and Images:
Achillea millefolium L. var. occidentalis DC.

View photographs from CalPhotos.

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 526856.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).

View photographs and distribution from University of Washington Burke Museum.

View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.

Time Generated: 09/15/2008 10:38 PM MDT