Taxon  Report   8896    
Centromadia parryi  (Greene) Greene  ssp. congdonii  (B. L. Rob. & Greenm.) B. G. Baldwin
Congdon's tarplant
Centromadia parryi ssp. congdonii
© 2008 Robert E. Preston, Ph.D.
Photos from
CalPhotos / Calflora
Centromadia parryi ssp. congdonii
© 2005 Erin McDermott
Centromadia parryi ssp. congdonii
© 2011 Neal Kramer
Centromadia parryi ssp. congdonii, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Centromadia parryi ssp. congdonii
© 2014 John Doyen
Genus: Centromadia
Parent: Centromadia parryi
Communities: Valley Grassland

Arid West: Occurs usually in wetlands, occasionally in non wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + CNPS + PLANTS: Hemizonia parryi ssp. congdonii
More information about  Centromadia parryi ssp. congdonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 19, 2019).