CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record panicum_acuminatum_var._thermale - Sat, Dec. 4, 2021, 05:58 ET b
Panicum acuminatum var. thermale
common nameGeysers panicum
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life formannual/perennial herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G5T2Q      ranking system key
CA state listingEndangered  09/78
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (4):
Whispering Pines (533C) 3812276, The Geysers (534D) 3812277, Reading Peak (625B) 4012144, Lassen Peak (626A) 4012145
quad data info

Counties, states, regions:
Plumas (PLU), Shasta (SHA), Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Closed-cone coniferous forest (CCFrs)
•Riparian forest (RpFrs)
•Valley and foothill grassland (VFGrs)/geothermally-altered soil, sometimes streamsides
blooming period Jun-Aug  
elevation range305 - 2470 meters
Known only from The Geysers and Lassen Volcanic NP geothermal areas. Does plant occur on Mt. Shasta (SIS Co.)? Plants from Blaney Meadows (FRE Co.) need verification. Threatened by non-native plants. A synonym of Panicum acuminatum var. acuminatum in TJM (1993). See Proceedings of the California Academy of Sciences 2:181 (1862) for original description, Madroņo 23(3):151 (1975) for taxonomic treatment, and Proceedings of the CNPS Conservation Conference, pp. 256-263 (2009) for information on population dynamics and monitoring.
full namePanicum acuminatum Sw. var. thermale (Bol.) Wipff
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PMPOA24028
Jepson Online Jepson Interchange  Jepson Manual and other resources
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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 Sat, Dec. 4, 2021 from

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