CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record orthotrichum_holzingeri - Wed, Dec. 1, 2021, 06:56 ET b
Orthotrichum holzingeri
common nameHolzinger's orthotrichum moss
CalPhotos image
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life formmoss
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S2      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
MAPS - Use v8 link below.

Topographic quads (8):
Giant Forest (354D) 3611857, Ackerson Mountain (456D) 3711977, Calaveras Dome (491B) 3812042, Bear River Reservoir (507C) 3812052, Lake Mccloud (681A) 4112221, Scott Mountain (700C) 4112236, Pothole Valley (727C) 4112078, Iron Gate Reservoir (733B) 4112284
quad data info

Counties, states, regions:
Amador (AMA), Calaveras (CAL), Modoc (MOD), Siskiyou (SIS), Tulare (TUL), Tuolumne (TUO), Idaho (ID), Oregon (OR), Washington (WA), Wyoming (WY)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Lower montane coniferous forest (LCFrs)
•Pinyon and juniper woodland (PJWld)
•Upper montane coniferous forest (UCFrs)/Usually on rock in and along streams, rarely on tree limbs
elevation range715 - 1800 meters
Possibly threatened by recreational activities, trail and road construction, and hydrological alterations. Similar to O. laevigatum. See Contributions from the United States National Herbarium 3(4):270 (1895) for original description, and Bryophytorum Bibliotheca, Band 1:101-103 (1973) for taxonomic treatment.
full nameOrthotrichum holzingeri Renault & Cardot
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  NBMUS560E0
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Wed, Dec. 1, 2021 from

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