CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-16jul 7-14-16
Status: record plagiobothrys_diffusus - Sat, Jul. 23, 2016 07:09 ET c
Plagiobothrys diffusus
common nameSan Francisco popcornflower
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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
G1Q      ranking system key
Where did the "RED" code go?
CA state listingEndangered  09/79
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (9):
San Juan Bautista (386D) 3612175, Soquel (387B) 3612188, Santa Cruz (387E) 3612281, Laurel (407C) 3712118, Felton (408D) 3712211, Franklin Point (409A) 3712223, Ano Nuevo (409D) 3712213, Oakland East (465C) 3712272, San Francisco North (466C)* 3712274
quad data info

Counties, states, regions:
Alameda (ALA), San Benito (SBT), Santa Cruz (SCR), San Francisco (SFO)*, San Mateo (SMT)
counties map
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A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal prairie (CoPrr)
•Valley and foothill grassland (VFGrs)
blooming period Mar-Jun  
elevation range60 - 360 meters
Threatened by development and non-native plants. Possibly threatened by grazing and vehicles. Identification difficult; taxonomic work needed. See P. reticulatus var. rossianorum in The Jepson Manual. See Pittonia 1:14 (1887) for original description, and Contributions from the Arnold Arboretum 3:77 (1932) for revised nomenclature.
full namePlagiobothrys diffusus (Greene) Jtn.
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  PLDI Element Code  PDBOR0V080
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
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Suggested citation: California Native Plant Society (CNPS). 2016. Inventory of Rare and Endangered Plants (online edition, v7-16jul). California Native Plant Society. Sacramento, CA. Accessed on Sat, Jul. 23, 2016 from

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