CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14jul 7-21-14
Status: record calochortus_tiburonensis - Thu, Jul. 31, 2014 09:30 ET c
Calochortus tiburonensis
common nameTiburon mariposa lily
CalPhotos image
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J. E.(Jed) and Bonnie McClellan © 1999 California Academy of Sciences  Follow image link for photo data.
familyLiliaceae
life form bulbiferous herb
CA Rare Plant Rank
List 1B.1
CA-Endemic
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  05/87
federal listingThreatened  02/03/95
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (1):
San Quentin (466B) 3712284
quad data info

Counties, states, regions:
Marin (MRN)
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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)(serpentinite)
blooming period Mar-Jun  
elevation range50 - 150 meters
notes
Known from only one occurrence at Ring Mtn. Preserve on the Tiburon Peninsula. Threatened by recreational activities and non-native plants. Potentially threatened by deer browsing. See Madroņo 22(2):100-104 (1973) for original description, and Journal of Ecology 75:977-995 (1987) for population biology.
full nameCalochortus tiburonensis Hill
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  CATI3 Element Code  PMLIL0D1C0
CalFlora
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). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14jul). California Native Plant Society. Sacramento, CA. Accessed on Thu, Jul. 31, 2014 from http://www.cnps.org/inventory

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