[Members of the Sunflower Family with Discoid Flower Heads Found West of the Cascade Mountains of Oregon and Washington]

Feverfew and Tansy West of the Cascade Mountains of Oregon and Washington

The Genus Tanacetum

Common Tansy: Tanacetum vulgare

The button-like flower heads and the lacy, pinnately compound stem leaves of common tansy are shown as seen at the Sandy River Delta, Troutdale, Oregon........September 8, 2012.

Costmary: Tanacetum balsamita (Synonyms: Balsamita major, Chrysanthemum balsamita) -

Camphor Tansy, Dune Tansy, Lake Huron Tansy: Tanacetum bipinnatum (Synonyms: Tanacetum bipinnatum ssp. huronense, Tanacetum camphoratum, Tanacetum douglasii) -

Featherfew, Feather-few, Feverfew, Fever-few: Tanacetum parthenium (Synonym: Chrysanthemum parthenium) -

Common Tansy: Tanacetum vulgare -

Paul Slichter E-mail