Taxon Report
Malacothamnus palmeri (S. Watson) Greene var. lucianus KearneyArroyo Seco bushmallow |
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Taxon Summary
Malacothamnus palmeri var. lucianus is a synonym of Malacothamnus lucianus (Kearney) K. Morse .Classification
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Scientific Name: |
Malacothamnus palmeri (S. Watson) Greene var. lucianus Kearney |
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Common Name: |
Arroyo Seco bushmallow |
| Family: | |
| Element Code: | PDMAL0Q0B2 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Conservation Status
| CA Rare Plant Rank: | |
| Global Rank: | G3T1Q |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 9 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 3 |
| Fair (C) | 0 |
| Poor (D) | 2 |
| None (X) | 0 |
| Unknown (U) | 4 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Quads: Name (Quad Code) | |
Threat List Data from the CNDDB
| Threat List Total: | 6 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 4 | 44 % | |
| Altered flood/tidal/hydrologic regime | 1 | 11% |
| Erosion/runoff | 1 | 11% |
| Grazing | 1 | 11% |
| Non-native plant impacts | 1 | 11% |
| Other | 1 | 11% |
| Road/trail construction/maint. | 1 | 11% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 April 2025].