Taxon Report
Malacothamnus arcuatus (Greene) Greenearcuate bushmallow |
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Taxon Summary
Malacothamnus arcuatus is a synonym of Malacothamnus arcuatus (Greene) Greene var. arcuatus .Classification
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Scientific Name: |
Malacothamnus arcuatus (Greene) Greene |
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Common Name: |
arcuate bushmallow |
| Family: | |
| Element Code: | PDMAL0Q0E0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Conservation Status
| CA Rare Plant Rank: | |
| Global Rank: | GNRT2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 34 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 4 |
| Fair (C) | 5 |
| Poor (D) | 2 |
| None (X) | 2 |
| Unknown (U) | 18 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Quads: Name (Quad Code) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 14 | 41 % | |
| Development | 6 | 17% |
| Road/trail construction/maint. | 5 | 14% |
| Non-native plant impacts | 3 | 8% |
| Other | 3 | 8% |
| Erosion/runoff | 2 | 5% |
| Improper burning regime | 2 | 5% |
| Insufficient population/stand size | 1 | 2% |
| Wood cutting or brush clearing | 1 | 2% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 22 November 2025].