Centromadia fitchii explained

Centromadia fitchii, common name Fitch's spikeweed or Fitch's tarweed, is a species of North American plants in the tribe Madieae within the family Asteraceae. It is native to California and southwestern Oregon.^{[1] [2]}

Centromadia fitchii is an herb up to 50 cm (20 inches) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.^{[3] [4] [5]}

External links

• Calflora Database: Centromadia fitchii (Spikeweed)
• U.C. Photos gallery Centromadia fitchii — formerly Hemezonia fitchii.

Notes and References

1. http://bonap.net/MapGallery/County/Centromadia%20fitchii.png Biota of North America Program 2014 county distribution map
2. http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Centromadia+fitchii Calflora taxon report, University of California, Centromadia fitchii (A.Gray) Greene, Spikeweed
3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066302 Flora of North America, Spikeweed, Centromadia Greene
4. https://www.biodiversitylibrary.org/page/38425703#page/219/mode/1up Greene, Edward Lee 1894. Manual of the Botany of the Region of San Francisco Bay 197
5. https://www.biodiversitylibrary.org/page/32405401#page/142/mode/1up Gray, Asa 1857. Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4: 109