CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record ivesia_aperta_var._aperta - Wed, Dec. 8, 2021, 20:00 ET b
Ivesia aperta var. aperta
common nameSierra Valley ivesia
CalPhotos image
more photos
© 2001 Dean Wm. Taylor  Follow image link for photo data.
life formperennial 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
G2T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (12):
Evans Canyon (570A) 3912061, Loyalton (570B) 3912062, Sardine Peak (570C) 3912052, Antelope Valley (571A) 3912063, Calpine (571B)* 3912064, Sierraville (571D) 3912053, Frenchman Lake (586B) 3912082, Chilcoot (586C) 3912072, Portola (587C) 3912074, Reconnaissance Peak (587D) 3912073, Mckesick Peak (602C) 4012012, Ferris Creek (603D) 4012013
quad data info

Counties, states, regions:
Lassen (LAS), Plumas (PLU), Sierra (SIE), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Great Basin scrub (GBScr)
•Lower montane coniferous forest (LCFrs)
•Meadows and seeps (Medws)
•Pinyon and juniper woodland (PJWld)
•Vernal pools (VnPls)/vernally mesic, usually volcanic
blooming period Jun-Sep  
elevation range1480 - 2300 meters
Threatened by residential development, agriculture, grazing, and vehicles. Potentially threatened by hydrological alterations and fire suppression. Interim management guide prepared by USFS in 1992. Threatened in NV. See Leaflets of Western Botany 9(15):239 (1962) for original description, and Brittonia 40(4):398-399 (1988) for revised nomenclature.
full nameIvesia aperta (J.T. Howell) Munz var. aperta
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  IVAPA Element Code  PDROS0X011
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 Wed, Dec. 8, 2021 from

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