Dieteria bigelovii

Dieteria bigelovii (Bigelow's tansyaster)[2] is a North American species of plants in the sunflower family. It is native to the southwestern United States (Arizona, New Mexico, Utah, Colorado, and Albany County in Wyoming).[3]

Dieteria bigelovii
Fig. nº 4
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Dieteria
Species:	D. bigelovii
Binomial name
Dieteria bigelovii (A.Gray) D.R.Morgan & R.L.Hartm.
Synonyms[1]
Synonymy Aster aquifolius (Greene ex Wooton & Standl.) S.F.Blake Aster bigelovii A.Gray Aster pattersonii A.Gray Aster rubrotinctus S.F.Blake Aster townshendii Hook.f. Machaeranthera aquifolia Greene ex Wooton & Standl. Machaeranthera aquifolia Greene Machaeranthera aspera Greene Machaeranthera bigelovii (A.Gray) Greene Machaeranthera centaureoides Greene ex Wooton & Standl. Machaeranthera pattersonii (A.Gray) Greene Machaeranthera rubricaulis Rydb. Machaeranthera spectabilis Greene Machaeranthera varians Greene Machaeranthera viscosula Rydb. Machaeranthera commixta Greened, syn of var. commixta Aster adenolepis S.F.Blake, syn of var. mucronata Machaeranthera mucronata Greene, syn of var. mucronata

Dieteria bigelovii is a biennial or perennial herb. It produces several flower heads. Ray florets are female, blue or purple. Disc florets are yellow and bisexual.[4][5]

Varieties[1][4]

• Dieteria bigelovii var. bigelovii - Colorado, New Mexico, Wyoming
• Dieteria bigelovii var. commixta (Greene) D.R.Morgan & R.L.Hartm. - Wasatch Mountains in Utah
• Dieteria bigelovii var. mucronata (Greene) D.R.Morgan & R.L.Hartm. - Kaibab Plateau in northern Arizona