CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record centromadia_parryi_ssp._congdonii - Fri, Nov. 26, 2021 19:05 ET c
Centromadia parryi ssp. congdonii
common nameCongdon's tarplant
CalPhotos image
more photos
John Game © 2002 John Game  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
S2      ranking system key
global rank
G3T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (35):
Arroyo Grande NE (221A) 3512025, Pismo Beach (221B) 3512026, San Luis Obispo (246C) 3512036, Soledad (342A)? 3612143, Palo Escrito Peak (342B)* 3612144, Gonzales (364C) 3612154, Natividad (365A) 3612165, Salinas (365B) 3612166, Spreckels (365C) 3612156, Chualar (365D) 3612155, Seaside (366D) 3612157, Watsonville East (386B)* 3612186, Prunedale (386C)(*?) 3612176, Watsonville West (387A) 3612187, Moss Landing (387D) 3612177, Milpitas (427B) 3712148, San Jose East (427D)* 3712137, Mountain View (428A) 3712241, Palo Alto (428B) 3712242, Altamont (445B) 3712166, Livermore (446A) 3712167, Dublin (446B) 3712168, Niles (446C) 3712158, La Costa Valley (446D) 3712157, Hayward (447A)* 3712261, San Leandro (447B)* 3712262, Newark (447D) 3712251, Brentwood (463B) 3712186, Byron Hot Springs (463C) 3712176, Diablo (464C) 3712178, Tassajara (464D) 3712177, Walnut Creek (465A)* 3712281, Denverton (481B) 3812128, Benicia (482C)* 3812212, Vine Hill (482D) 3812211
quad data info

Counties, states, regions:
Alameda (ALA), Contra Costa (CCA), Monterey (MNT), Santa Clara (SCL), Santa Cruz (SCR)*, San Luis Obispo (SLO), San Mateo (SMT), Solano (SOL)*
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Valley and foothill grassland (VFGrs)(alkaline)
blooming period May-Oct(Nov),   Months in parentheses are uncommon.
elevation range0 - 230 meters
Severely threatened by development. Possibly threatened by grazing and non-native plants. A synonym of Hemizonia parryi ssp. congdonii in TJM (1993). See Botanical Gazette 22:169 (1896) for original description, and Novon 9:462-471 (1999) for revised nomenclature.
full nameCentromadia parryi (Greene) Greene ssp. congdonii (Rob. & Greenm.) B.G. Baldwin
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDAST4R0P1
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 Fri, Nov. 26, 2021 from

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