CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record dithyrea_maritima - Sat, Dec. 4, 2021, 18:10 ET b
Dithyrea maritima
common namebeach spectaclepod
CalPhotos image
more photos
Unknown © 1984 CNPS  Follow image link for photo data.
life form rhizomatous 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
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingThreatened  02/90
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (18):
Venice (090B)* 3311884, Redondo Beach (090C)* 3311874, Beverly Hills (111C) 3411814, Topanga (112D)* 3411815, Surf (171A) 3412065, Guadalupe (196A) 3412085, Point Sal (196B) 3412086, Casmalia (196D) 3412075, Pismo Beach (221B) 3512026, Oceano (221D) 3512015, Morro Bay South (247D) 3512037, Santa Catalina Island East (SCTE), Santa Catalina Island North (SCTN), Santa Catalina Island South (SCTS), Santa Catalina Island West (SCTW), San Miguel Island East (SMIE), San Miguel Island West (SMIW)*, San Nicolas Island (SNIC)
quad data info

Counties, states, regions:
Los Angeles (LAX)*, Santa Barbara (SBA), Santa Catalina Isl. (SCT)*, San Luis Obispo (SLO), San Miguel Isl. (SMI), San Nicolas Isl. (SNI), Ventura (VEN), Baja California (BA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal dunes (CoDns)
•Coastal scrub (CoScr)(sandy)
blooming period Mar-May  
elevation range3 - 50 meters
Extirpated from half of its historical range. Need historical quads for SCT Isl. Last seen in LAX Co. in 1932. Threatened by trampling, vehicles, and non-native plants. See Erythea 2:179 (1894) for original description.
full nameDithyrea maritima A. Davids.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  DIMA6 Element Code  PDBRA10020
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

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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