Taxon Report
Jaffueliobryum raui (Austin) ThériotRau's jaffueliobryum moss |
 © 2021 Scot Loring |
Taxon Summary
Jaffueliobryum raui, commonly known as Rau's jaffueliobryum moss, is a moss in the Grimmiaceae that is found in California and elsewhere. It occurs within Alpine dwarf scrub, Chaparral, Mojavean desert scrub, and Sonoran desert scrub, growing at elevations from 490 to 2100 meters. Jaffueliobryum raui is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.Classification
|
Scientific Name: |
Jaffueliobryum raui (Austin) Thériot |
|
Common Name: |
Rau's jaffueliobryum moss |
| Family: | Grimmiaceae |
| Element Code: | NBMUS97010 |
| USDA Plants Symbol: | JARA |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | moss |
| Blooming Period: | |
| Elevation: | 490-2100 (1610-6890) |
| General Habitats: | Alpine dwarf scrub, Chaparral, Mojavean desert scrub, Sonoran desert scrub |
| Microhabitat: | Carbonate, Dry, Openings, Rock crevices |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| Global Rank: | G4 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 7 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 6 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Mendocino (MEN), Riverside (RIV), San Bernardino (SBD), Tehama (TEH) | |
| Quads: Name (Quad Code) | |
| Butterfly Peak (3311655), Clark Lake NE (3311643), Greenwater Canyon (3611625), Horn Spring (3411427), Indian Cove (3411612), Martinez Mtn. (3311653), Mendocino Pass (3912278), Savahia Peak SW (3411436), Vidal Nw (3411426) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 14 % | |
| ORV activity | 1 | 14% |
| Road/trail construction/maint. | 1 | 14% |
Selected References
|
Proposed Addition to California Rare Plant Rank 2B.3, G4? / S2?
|
|
Memoirs of the New York Botanical Garden 45:691-708 (1987) |
|
Jaffueliobryum raui profile for potential Species of Conservation Concern evaluation (2018) |
| USFS Potential Species of Conservation Concern Profile |
|
Madroño 46(4):215 (1999) [CA Discovery Information] |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].