Species Details

Ranunculus hydrocharoides

frog's-bit buttercup

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Scientific Name:
Ranunculus hydrocharoides Gray
Common Name:
frog's-bit buttercup
Family: Ranunculaceae
Element Code: PDRAN0L190
USDA Plants Symbol: RAHY
Synonyms/Other Names:
Lifeform: perennial herb (aquatic)
Blooming Period: (May)Jun-Sep
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Elevation:
1100 - 2700 meters
3610 - 8860 feet
General Habitats:
  • Marshes and swamps (freshwater)
Microhabitat Details:
Microhabitat:
Notes:
Threatened by development, grazing, and hydrological alterations. See Memoirs of the American Academy of Arts and Sciences II 5:306 (1855) for original description, and Madroño 42(4):515-516 (1995) for occurrence information.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 2 50 %
THREAT LIST:
Foot traffic/trampling 1 25%
Grazing 1 25%
Other 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 1 1 2
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 0
Presence:
Presumed Extant 3
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), New Mexico (NM), Sonora, Mexico (SO), South America (SA)
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Bishop (3711834), Kearsarge Peak (3611873)*, Lundy (3811912), River Spring (3711885)
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
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