Centromadia

Centromadia is a genus of North American plants in the tarweed tribe within the sunflower family.[2][3][4]

Species[5][6]

• Centromadia fitchii (A.Gray) Greene - California, southwestern Oregon
• Centromadia parryi (Greene) Greene - California, Baja California[7]
• Centromadia perennis Greene - Baja California Sur
• Centromadia pungens (Hook. & Arn.) Greene - Baja California, western United States

Spikeweed
Centromadia fitchii
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Madieae
Genus:	Centromadia Greene
Synonyms[1]
Hemizonia section Centromadia

References

1. Venkatesh, C. S. 1958. A cyto-genetic and evolutionary study of Hemizonia section Centromadia (Compositae). Evolution 39: 1236–1241
2. Greene, Edward Lee. 1894. Manual of the Botany of the Region of San Francisco Bay 196–197
3. Tropicos, Centromadia Greene
4. Flora of North America, Vol. 21 Page 276, Spikeweed, Centromadia Greene, Fl. Francisc. 4: 424. 1897.
5. The Plant List search for Centromadia
6. Biota of North America Program 2013 county distribution maps
7. Tropicos, Hemizonia parryi Greene, specimen list