Taxon Report
Polygala subspinosa Wats.spiny milkwort |
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Taxon Summary
Polygala subspinosa is a synonym of Rhinotropis subspinosa (S.Watson) J. R. Abbott .Classification
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Scientific Name: |
Polygala subspinosa Wats. |
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Common Name: |
spiny milkwort |
| Family: | |
| Element Code: | PDPGL021Q0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Conservation Status
| CA Rare Plant Rank: | |
| Global Rank: | G4? |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 71 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 25 |
| Fair (C) | 5 |
| Poor (D) | 7 |
| None (X) | 0 |
| Unknown (U) | 30 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Quads: Name (Quad Code) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 49 | 69 % | |
| Grazing | 25 | 35% |
| Other | 21 | 29% |
| Road/trail construction/maint. | 8 | 11% |
| Non-native plant impacts | 5 | 7% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 October 2025].