CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-16sep 9-2-16
Status: record chorizanthe_robusta_var._hartwegii - Fri, Oct. 21, 2016 07:10 ET c
Chorizanthe robusta var. hartwegii
common nameScotts Valley spineflower
CalPhotos image
more photos
© 1994 Dean Wm. Taylor  Follow image link for photo data.
life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G2T1      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingEndangered  02/04/94
where found
MAPS - Use v8 link below.

Topographic quads (2):
Laurel (407C) 3712118, Felton (408D) 3712211
quad data info

Counties, states, regions:
Santa Cruz (SCR)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Meadows and seeps (Medws)(sandy)
•Valley and foothill grassland (VFGrs)(mudstone and Purisima outcrops)
blooming period Apr-Jul  
elevation range230 - 245 meters
Known only from Scotts Valley. Threatened by development, vehicles, and non-native plants. See C. robusta in TJM (1993). See Phytologia 67(5):357-360 (1989) for revised nomenclature, and Fremontia 24(4):8-11 (1996) for taxonomic discussion.
full nameChorizanthe robusta Parry var. hartwegii (Benth.) Rev. & Morgan
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CHROH Element Code  PDPGN040Q1
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2016. Inventory of Rare and Endangered Plants (online edition, v7-16sep). California Native Plant Society. Sacramento, CA. Accessed on Fri, Oct. 21, 2016 from

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