Taxon Report
Erythranthe filicaulis (S. Watson) G.L. Nesom & N.S. Fragaslender-stemmed monkeyflower |
 John Doyen, 2020 |
Taxon Summary
Erythranthe filicaulis, commonly known as slender-stemmed monkeyflower, is a annual herb in the Phrymaceae that is found only in California. It occurs within Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, and Upper montane coniferous forest, growing at elevations from 900 to 1750 meters. Erythranthe filicaulis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Erythranthe filicaulis (S. Watson) G.L. Nesom & N.S. Fraga |
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Common Name: |
slender-stemmed monkeyflower |
| Family: | Phrymaceae |
| Element Code: | PDPHR012H0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Aug | Apr-Aug |
| Elevation: | 900-1750 (2955-5740) |
| General Habitats: | Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest |
| Microhabitat: | Vernally Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 49 |
| Element Occurrence Ranks: | |
| Excellent (A) | 2 |
| Good (B) | 15 |
| Fair (C) | 5 |
| Poor (D) | 2 |
| None (X) | 0 |
| Unknown (U) | 25 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Mariposa (MPA), Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Ackerson Mtn. (3711977), Ascension Mtn. (3711978), Buckhorn Peak (3712061), Buckingham Mtn. (3711957), Cherry Lake South (3711988), El Capitan (3711966), El Portal (3711967), Groveland (3712072), Half Dome (3711965), Jawbone Ridge (3712071), Kinsley (3711968), Lake Eleanor (3711987), Tamarack Flat (3711976), Wawona (3711956), Yosemite Falls (3711975) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 25 | 51 % | |
| Road/trail construction/maint. | 11 | 22% |
| Logging | 9 | 18% |
| Recreational use (non-ORV) | 6 | 12% |
| Grazing | 5 | 10% |
| Other | 3 | 6% |
| Biocides | 2 | 4% |
| Development | 2 | 4% |
| Erosion/runoff | 2 | 4% |
| Foot traffic/trampling | 2 | 4% |
| ORV activity | 1 | 2% |
Notes
| Threatened by logging and reforestation with herbicides, and possibly by grazing. Possibly threatened by foot traffic. Includes M. biolettii. See Proceedings of the American Academy of Arts and Sciences 26:125 (1891) for original description, Annals of the Missouri Botanical Garden 11(2-3):251-252 (1924) for taxonomic treatment, and Phytoneuron 2012-39:1-60 (2012) for revised nomenclature. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 February 2025].