Taxon  Report   10922 
Hemizonia congesta  DC.  ssp. lutescens  (Greene) Babc. & H.M. Hall
Hayfield tarweed
Hemizonia congesta ssp. lutescens
© 2010 Zoya Akulova
Click on a photo to see it bigger.
Hemizonia congesta ssp. lutescens
© 2013 Robert Sikora
Hemizonia congesta ssp. lutescens
© 2013 Robert Sikora
Hemizonia congesta ssp. lutescens, a dicot, is an annual herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Hemizonia congesta ssp. lutescens
© 2007 Neal Kramer
Genus: Hemizonia
Parent Record Hemizonia congesta
Northern Coastal Scrub, Valley Grassland
AFFINITY to serpentine soil:   1.3 (weak indicator / indifferent)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Hemizonia congesta ssp. lutescens

Name Status:
Accepted by TJM2
PLANTS accepted name: Hemizonia congesta ssp. congesta
Alternate Names:
(according to)

ICPN: Hemizonia multicaulis ssp. vernalis
More information about  Hemizonia congesta ssp. lutescens
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 22, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.