Taxon Details

Taraxacum ceratophorum

horned dandelion

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
No Photo Available

Taxon Summary:

Taraxacum ceratophorum, commonly known as horned dandelion, is a annual herb in the Asteraceae that is . 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.

CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G5
State Rank:
S1
Other Status:
CRPR Changes:
changed from 2.1 to 2B.1 on 2004-07-27
Add Date: 2004-01-01
Date Edited: 2022-06-08
Lifeform: annual herb
Blooming Period: Jun-Jul(Aug)
JFMAMJJASOND
Elevation:
2895 - 3610 meters
9500 - 11845 feet
General Habitats:
  • Alpine boulder and rock field
  • Meadows and seeps
  • Valley and foothill grassland (mesic)
Microhabitat Details:
Microhabitat:
  • Carbonate (sometimes)
Notes:
Known in CA from the vacinity of the White Mountains. Threatened by trampling, hydrological alteration, and competition. Possibly threatened by hybridization with T. officinale. Not in The Jepson Manual. See Madroño 5:247-248 (1940) for alternate nomenclature, and American Journal of Botany 91(5): 656-663 (2004) for information on native range and hybridization.
Threats:
Taxonomy:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 0
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Mt. Barcroft (3711852)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel
}