Taxon Report
Madia radiata Kell.showy golden madia |
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Taxon Summary
Madia radiata, commonly known as showy golden madia, is a annual herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 25 to 1215 meters. Madia radiata is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Madia radiata Kell. |
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Common Name: |
showy golden madia |
| Family: | Asteraceae |
| Element Code: | PDAST650E0 |
| USDA Plants Symbol: | MARA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-May | Mar-May |
| Elevation: | 25-1215 (80-3985) |
| General Habitats: | Cismontane woodland, Valley and foothill grassland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_SBBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 100 |
| Element Occurrence Ranks: | |
| Excellent (A) | 38 |
| Good (B) | 20 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 41 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Contra Costa (CCA)*, Fresno (FRE), Kern (KRN), Kings (KNG)*, Monterey (MNT)*, San Benito (SBT), San Joaquin (SJQ)*, San Luis Obispo (SLO), Santa Barbara (SBA)*, Stanislaus (STA) | |
| Quads: Name (Quad Code) | |
| Antioch South (3712187)*, Camatta Ranch (3512043), Chimineas Ranch (3511928), Cholame (3512063), Cholame Valley (3512073), Chounet Ranch (3612066), Ciervo Mtn. (3612045), Clayton (3712188), Cuyama (3411985)*, Domengine Ranch (3612033), Elkhorn Hills (3511915), Garza Peak (3512082)*, Hernandez Reservoir (3612047), Holland Canyon (3512052), Idria (3612046), Joaquin Rocks (3612034), Kreyenhagen Hills (3612013)*, La Panza NE (3512041), Las Yeguas Ranch (3511948), Lillis Ranch (3612044)*, Llanada (3612058), Lokern (3511945), Lone Tree Creek (3712154)*, Midway (3712165)*, Monocline Ridge (3612055), New Cuyama (3411986), Orchard Peak (3512062)*, Packwood Creek (3512051), Panoche (3612057), Parkfield (3512084)*, Rock Spring Peak (3612048), Santa Rita Peak (3612035)*, Shale Point (3511958), Smith Mountain (3612015)*, Solyo (3712153)*, Taylor Canyon (3511918), Tent Hills (3512072), The Dark Hole (3512083)*, Tracy (3712164), Tumey Hills (3612056), Wells Ranch (3511916) | |
Threat List Data from the CNDDB
| Threat List Total: | 7 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 16 | 16 % | |
| Grazing | 9 | 9% |
| Road/trail construction/maint. | 8 | 8% |
| Non-native plant impacts | 5 | 5% |
| Foot traffic/trampling | 4 | 4% |
| Erosion/runoff | 2 | 2% |
| ORV activity | 2 | 2% |
| Vandalism/dumping/litter | 1 | 1% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 October 2025].