Taxon Report
Ranunculus macounii BrittonMacoun's buttercup |
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Taxon Summary
Ranunculus macounii, commonly known as Macoun's buttercup, is a perennial herb in the Ranunculaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 1400 to 1800 meters. Ranunculus macounii is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Ranunculus macounii Britton |
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Common Name: |
Macoun's buttercup |
| Family: | Ranunculaceae |
| Element Code: | PDRAN0L1M0 |
| USDA Plants Symbol: | RAMA2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Jul | Jun-Jul |
| Elevation: | 1400-1800 (4595-5905) |
| General Habitats: | Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland |
| Microhabitat: | Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
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State Rank: |
S2S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | IUCN_LC |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 12 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 11 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Lassen (LAS), Modoc (MOD), Plumas (PLU) | |
| Quads: Name (Quad Code) | |
| Big Swamp (4112121), Gallatin Peak (4012056), Gold Lake (3912066), Hager Basin (4112077), Johnsville (3912076), Letterbox Hill (4112018), Reconnaissance Peak (3912073), Shields Creek (4112043), South Mtn. (4112076) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 8 % | |
| Development | 1 | 8% |
Selected References
| Transactions of the New York Academy of Sciences 12:3 (1892) |
| Ranunculus macounii profile for potential Species of Conservation Concern evaluation (2018) |
| Ranunculus macounii profile for potential Species of Conservation Concern evaluation (2018) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 November 2025].