Taxon Report
Galium glabrescens (Ehrend.) Dempster & Ehrend. ssp. modocense Dempster & Ehrend.Modoc bedstraw |
 © Gary Schoolcraft and CNPS |
Taxon Summary
Galium glabrescens ssp. modocense, commonly known as Modoc bedstraw, is a perennial herb in the Rubiaceae that is found only in California. It occurs within Great Basin scrub (gravelly, rocky, and talus), growing at elevations from 1550 to 2835 meters. Galium glabrescens ssp. modocense is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Galium glabrescens (Ehrend.) Dempster & Ehrend. ssp. modocense Dempster & Ehrend. |
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Common Name: |
Modoc bedstraw |
| Family: | Rubiaceae |
| Element Code: | PDRUB0N0T2 |
| USDA Plants Symbol: | GAGLM |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Aug | Jun-Aug |
| Elevation: | 1550-2835 (5085-9300) |
| General Habitats: | Great Basin scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G4T3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 23 |
| Element Occurrence Ranks: | |
| Excellent (A) | 8 |
| Good (B) | 8 |
| Fair (C) | 2 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 5 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Modoc (MOD) | |
| Quads: Name (Quad Code) | |
| Cedarville (4112052), Eagle Peak (4112032), Emerson Peak (4112022), Lake Annie (4112081), Snake Lake (4112021), Warren Peak (4112042) | |
Threat List Data from the CNDDB
| Threat List Total: | 5 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 10 | 43 % | |
| Road/trail construction/maint. | 6 | 26% |
| Grazing | 5 | 21% |
| Erosion/runoff | 2 | 8% |
| Foot traffic/trampling | 1 | 4% |
| Improper burning regime | 1 | 4% |
Selected References
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Brittonia 17:333 (1965) |
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Flora of California 4(2):34-35 (1979) |
| Galium glabrescens ssp. modocense profile for potential Species of Conservation Concern evaluation (2017) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 19 November 2025].