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Achillea millefolium L. var. occidentalis DC.
western yarrow

General Information
Symbol: ACMIO
Group: Dicot
Family: Asteraceae
Duration: Perennial
Growth Habit: Forb/herb
Native Status: CAN   N
GL   N
L48   N
AK   N
Fact Sheet (pdf) (doc)
Plant Guide (pdf) (doc)
Data Source and Documentation
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM   


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


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Achillea L. – yarrow
Species Achillea millefolium L. – common yarrow
Variety Achillea millefolium L. var. occidentalis DC. – western yarrow

Subordinate Taxa

This plant has no children

Legal Status



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover