CNPS

CNPS Rare Plant Inventory

Species Details

Eriogonum microthecum var. schoolcraftii

Schoolcraft's wild buckwheat

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  Classification

Scientific Name:
Eriogonum microthecum Nutt. var. schoolcraftii Reveal
Common Name:
Schoolcraft's wild buckwheat
Family: Polygonaceae
Element Code: PDPGN083WG
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G5T3
State Rank:
 S3
Other Status: BLM_S; USFS_S
CRPR Changes:
added to 1B.2 on 2007-07-10
Add Date: 2007-07-10
Date Edited: 2021-12-09

  Ecology and Life History

Lifeform: perennial shrub
Blooming Period: Jul-Sep
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Elevation:
1300 - 1750 meters
4265 - 5740 feet
General Habitats:
  • Great Basin scrub
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Rocky
  • Sandy

  Notes

Notes:
Known in California only from the Diamond and Ft. Sage Mtns. Potentially threatened by development. Possibly threatened by non-native plants and habitat conversion. See Phytologia 86: 148 (2004) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:
No threats

  Occurrence Data from the CNDDB

Total Occurrences: 7
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 7
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 0
Presence:
Presumed Extant 7
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU)
Quads: Name (Quad Code)
Constantia (3912081), Doyle (4012011), Ferris Creek (4012013), McKesick Peak (4012012), Milford (4012023)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

CNPS Status Review: CRPR List Addition on 2007-07-10
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 24 December 2024].