Species Details

Ivesia paniculata

Ash Creek ivesia

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Photo of Ivesia paniculata
© 2007 F. Gauna
Photo of Ivesia paniculata
© 2007 F. Gauna
Photo of Ivesia paniculata
© 2007 F. Gauna
Scientific Name:
Ivesia paniculata T.W. Nelson & J.P. Nelson
Common Name:
Ash Creek ivesia
Family: Rosaceae
Element Code: PDROS0X0S0
USDA Plants Symbol: IVPA
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: May-Aug
Elevation:
1500 - 1950 meters
4920 - 6400 feet
General Habitat:
  • Great Basin scrub
  • Pinyon and juniper woodland
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Gravelly (sometimes)
  • Rocky (sometimes)
  • Volcanic
Notes:
Known only from the Ash Valley region. Protected in part at Ash Valley RNA (BLM).
Threats:

Threatened by road maintenance, logging, trampling, and grazing.

Taxonomy:

Previously included as I. corymbosa, a name that was never validly published.

Other:
Total Occurrences: 26
Element Occurrence Ranks:
A B C D X U
6 12 0 0 1 7
Occurrence Status:
Historical >20 Years 17
Recent <=20 Years 9
Presence:
Presumed Extant 25
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)
Quads: Name (Quad Code)
Ambrose Valley (4112027), Ash Valley (4112016), Lane Reservoir (4112017), Letterbox Hill (4112018), Said Valley (4012087), Whitinger Mtn. (4012086)
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.

Map

Presumed Extant
Counties   Quads
Original Description: Brittonia 33(2):165-167 (1981)
Species Account: Ivesia paniculata profile for potential Species of Conservation Concern evaluation (2018)
Other: Fremontia 16(1):15-17 (1988) [BLM management plans]