Taxon Details
Taraxacum ceratophorum
horned dandelion
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© 2016 Steve Matson |
© 2017 Neal Kramer |
© 2016 Steve Matson |
Taxon Summary:
Taraxacum ceratophorum, commonly known as horned dandelion, is a annual herb in the Asteraceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Meadows and seeps, and Valley and foothill grassland (mesic), growing at elevations from 2895 to 3610 meters. Taraxacum ceratophorum is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.|
Scientific Name: Taraxacum ceratophorum (Ledeb.) DC. |
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Common Name: horned dandelion |
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| Family: | Asteraceae | |
| Element Code: | PDAST930Y1 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: changed from 2.1 to 2B.1 on 2004-07-27 |
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| Add Date: | 2004-01-01 |
| Date Edited: | 2025-10-30 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Jun-Jul(Aug)
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Elevation:
2895 - 3610 meters 9500 - 11845 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Known in CA only from the vicinity of the White Mountains. See American Journal of Botany 91(5): 656-663 (2004) for information on native range and hybridization. |
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Threats: Threatened by trampling, hydrological alteration, and competition. Possibly threatened by hybridization with T. officinale. |
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Taxonomy: See Madroño 5:247-248 (1940) for alternate nomenclature. |
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| Threat List Total: | 0 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 0 | % |
| THREAT LIST: | ||
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| Total Occurrences: | 1 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 1 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 1 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Alaska (AK), California (CA), Colorado (CO), Idaho (ID), Maine (ME), Massachusetts (MA), Montana (MT), Nevada (NV), New Hampshire (NH), New Mexico (NM), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY) |
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California Counties and Islands: Name (Code) Mono (MNO) |
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Quads: Name (Quad Code) Mt. Barcroft (3711852) |
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Notes:
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Presumed Extant
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