Taxon Report
Cordylanthus nidularius J.T. HowellMt. Diablo bird's-beak |
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Classification
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Scientific Name: |
Cordylanthus nidularius J.T. Howell |
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Common Name: |
Mt. Diablo bird's-beak |
| Family: | Orobanchaceae |
| Element Code: | PDSCR0J0F0 |
| USDA Plants Symbol: | CONI2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb (hemiparasitic) |
| Blooming Period: Jun-Aug | Jun-Aug |
| Elevation: | 600-800 (1970-2625) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CR |
| Fed List: | None |
| Other Status: | SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Contra Costa (CCA) | |
| Quads: Name (Quad Code) | |
| Clayton (3712188) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 50 % | |
| Feral pigs | 1 | 50% |
| Foot traffic/trampling | 1 | 50% |
| Road/trail construction/maint. | 1 | 50% |
Notes
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Known from only one occurrence on Mt. Diablo. Threatened by trail construction and recreation, and possibly by fire suppression. See Leaflets of Western Botany |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].