CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14mar 3-27-14
Status: record sidalcea_gigantea - Sat, Apr. 19, 2014 10:40 ET c
Sidalcea gigantea
common namegiant checkerbloom
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familyMalvaceae
life form rhizomatous herb
CA Rare Plant Rank
List 4.3
CA-Endemic
LIST 4: Limited distribution (Watch List).
     0.3: Not very endangered in California
state rank
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Counties, states, regions:
Butte (BUT), Nevada (NEV), Plumas (PLU), Shasta (SHA), Sierra (SIE), Tehama (TEH), Yuba (YUB)
  • Green indicates one or more populations.
  • Yellow indicates uncertainty[?] or extirpation[*]. See list above. A complete key is on the Index by County page.
  • Pending additional quad-level data, only county data are being provided for List 4 plants.
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Lower montane coniferous forest (LCFrs)
•Upper montane coniferous forest (UCFrs)/Meadows and seeps
blooming period (Jun),Jul-Oct   Months in parentheses are uncommon.
elevation range670 - 1950 meters
notes
Potentially threatened by fire suppression. Possibly threatened by logging, road construction, and road maintenance. Similar to S. asprella and S. celata. See American Journal of Botany 90(3):436-444 (2003) and Molecular Phylogenetics and Evolution 29:563-581 (2003) for taxonomic treatments, and Madroņo 56(4):285-292 (2009) for original description.
full nameSidalcea gigantea G.L. Clifton, R.E. Buck & S.R. Hill
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym   Element Code  PDMAL110T0
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14mar). California Native Plant Society. Sacramento, CA. Accessed on Sat, Apr. 19, 2014 from http://www.cnps.org/inventory

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