Tanacetum vulgare, Chrysanthemum vulgare, SE: Renfana, DE: Rainfarn,
NL: Boerenwormkruid, UK: Tansy

Scientific name:		Tanacetum vulgare L.
Synonym name:		Chrysanthemum vulgare (L.) Bernh.
Swedish name:		Renfana, munkrenfana, gubbaskägg, krusbladig renfana
German name:		Rainfarn
Nederlandse naam:		Boerenwormkruid
English name:		Tansy, Bitter Buttons, Cow Bitter, Mugwort, Golden Buttons
Plant Family:		Asteraceae / Compositae, Korgblommiga växter

Life form:		Rhizomatous perennial
Stems:		Branched, erect, often purplish-red, and dotted with glands.
Leaves:		Strongly scented, alternate, compound, pinnate, toothed, up to 12 cm
Flowers:		Yellow buttonlike
Flowering Period:		July, August, September
Fruits:		Yellowish brown achenes with short, five-toothed crowns.
Habitat:		Coast, farmland, settlements

Derivation of the botanical name: Tanacetum from the medieval Latin name tanazita, in turn derived from Greek athanasia, "immortality," and refers to the long-lived flowers of some species. vulgare, Latin for "common" The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.