CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record centromadia_pungens_ssp._laevis - Sat, Dec. 4, 2021, 20:28 ET b
Centromadia pungens ssp. laevis
common namesmooth tarplant
CalPhotos image
more photos
© 2003 Dean Wm. Taylor  Follow image link for photo data, and for images listed as "Hemizonia pungens ssp. laevis".
Link to images listed as "Centromadia pungens ssp. laevis"
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
S2      ranking system key
global rank
G3G4T2   G3G4: Intermediate between G3 and G4
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (39):
El Cajon (021C)* 3211678, Borrego Sink (032A)* 3311623, Tubb Canyon (032B)* 3311624, San Pasqual (034C) 3311618, Escondido (035D) 3311711, San Luis Rey (036A)* 3311723, Oceanside (036B)* 3311724, Clark Lake (047D)* 3311633, Temecula (050B) 3311742, Bonsall (050C) 3311732, Morro Hill (051D) 3311733, Anza (066C) 3311656, Hemet (067B) 3311668, Winchester (068A) 3311761, Romoland (068B) 3311762, Murrieta (068C) 3311752, Bachelor Mountain (068D) 3311751, Lake Elsinore (069A) 3311763, Alberhill (069B) 3311764, Wildomar (069D) 3311753, Beaumont (084B) 3311688, San Jacinto (084C) 3311678, El Casco (085A) 3311781, Sunnymead (085B) 3311782, Perris (085C) 3311772, Lakeview (085D) 3311771, Riverside East (086A) 3311783, Riverside West (086B) 3311784, Lake Mathews (086C) 3311774, Steele Peak (086D) 3311773, Corona North (087A) 3311785, Prado Dam (087B) 3311786, Corona South (087D) 3311775, Harrison Mountain (106B)* 3411722, Redlands (106C) 3411712, San Bernardino North (107A) 3411723, San Bernardino South (107D)* 3411713, Ontario (108C)* 3411716, Pasadena (110B) 3411822
quad data info

Counties, states, regions:
Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
•Meadows and seeps (Medws)
•Playas (Plyas)
•Riparian woodland (RpWld)
•Valley and foothill grassland (VFGrs)/alkaline
blooming period Apr-Sep  
elevation range0 - 640 meters
Many historical occurrences may be extirpated; need information. Frequently confused with other Centromadia species such as C. parryi ssp. australis in ORA, LAX, and SDG cos., and C. pungens ssp. pungens in KRN Co. Need historical quads for ORA Co. Threatened by foot traffic, agriculture, road maintenance, disking, urbanization, hydrological alterations, and flood control projects. A synonym of Hemizonia pungens ssp. laevis in TJM (1993). See Madroņo 3:14 (1935) for original description, and Novon 9:462-471 (1999) for revised nomenclature.
full nameCentromadia pungens (H. & A.) Greene ssp. laevis (Keck) B.G. Baldwin
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDAST4R0R4
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sat, Dec. 4, 2021 from

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