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Mimulus guttatus - (Mimulus spp.) Seep
Translated Name: Seep Monkeyflower - (Monkeyflower species) Seep
Unique Identifier: CEGL005305
Classification Approach: International Vegetation Classification (IVC)
Summary: This small community is known from California's Coast Ranges, Sierra Nevada below 1220 m (4000 feet) elevation, and northeastern California, as well as central and southern Utah and Colorado. Mimulus guttatus is a small, delicate herb growing within the splash zone of small first-order streams, seeps, springs and hanging gardens. It occurs from 300 to 2390 m (1000-7840 feet) in elevation. This community is often found in narrow linear strips, occasionally broadening into small hollows, often overlooked for sampling, but universally recognized. It can occur on very steep cascades and waterfalls, on flat to steep seeps, or along gentle streams and floodplains (3-5%). The floristic composition is variable; several different species of Mimulus (Mimulus guttatus, Mimulus lewisii, Mimulus moschatus) may be the most dominant present. Generally mosses are present, as well as several other water-dependent herbaceous plants such as Stellaria media, Collinsia heterophylla, Cardamine spp., Eleocharis spp., Epilobium spp., Equisetum arvense, Carex spp., Salix spp., Juncus spp., Veronica americana, Nasturtium officinale, Cardamine spp., and Nasturtium spp. Graminoid species are usually present as well, often less abundant than the forb component, but usually very mesic.



Classification

Classification Confidence: High

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.C - Shrub & Herb Wetland
Formation 2.C.4 - Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland
Division 2.C.4.Nb - Western North American Temperate & Boreal Freshwater Marsh, Wet Meadow & Shrubland
Macrogroup Western North American Montane Marsh, Wet Meadow & Shrubland
Group Vancouverian-Rocky Mountain Montane Wet Meadow & Marsh
Alliance Monkeyflower - Primrose - Shootingstar Wet Meadow

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.



Related Concepts from Other Classifications

Other Related Concepts
Related Concept Name: Mimulus guttatus - (Mimulus spp.)
Relationship: = - Equivalent
Reference: Sawyer, J. O., T. Keeler-Wolf, and J. Evens. 2009. A manual of California vegetation. Second edition. California Native Plant Society, Sacramento CA. 1300 pp.
Related Concept Name: Mimulus guttatus - Vulpia microstachys
Relationship: = - Equivalent
Reference: Klein, A., J. Crawford, J. Evens, T. Keeler-Wolf, and D. Hickson. 2007. Classification of the vegetation alliances and associations of the northern Sierra Nevada foothills, California. Volumes 1 and 2. Report prepared for California Department of Fish and Game, Habitat Conservation Division. California Native Plant Society, Sacramento, CA. [https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=18232&inline=1]
Related Concept Name: Mimulus guttatus
Relationship: F - Finer
Reference: Sawyer, J. O., T. Keeler-Wolf, and J. Evens. 2009. A manual of California vegetation. Second edition. California Native Plant Society, Sacramento CA. 1300 pp.
Related Concept Name: Mimulus guttatus - (Mimulus spp.) Herbaceous Vegetation
Relationship: = - Equivalent
Reference: Kittel, G., E. Reyes, J. Evens, J. Buck, and D. Johnson. 2012a. Vegetation classification and mapping project report, Pinnacles National Monument. Natural Resource Report NPS/SFAN/NRR-2012/574. National Park Service, Fort Collins, CO. 428 pp.
Related Concept Name: Mimulus guttatus Plant Association
Relationship: = - Equivalent
Reference: Diaz, N. M., and T. K. Mellen. 1996. Riparian ecological types, Gifford Pinchot and Mt. Hood national forests, and Columbia River Gorge National Scenic Area. Technical Report R6-NR-TP-10-96. USDA Forest Service, Pacific Northwest Region, Portland, OR. 203 pp. plus appendices.
Related Concept Name: Mimulus primuloides - Polygonum bistortoides Plant Association
Relationship: = - Equivalent
Reference: Potter, D. A. 2005. Riparian plant community classification: West slope, central and southern Sierra Nevada, California. Technical Paper R5-TP-022. USDA Forest Service, Pacific Southwest Region, Vallejo, CA. 634 pp.
Related Concept Name: Seeps dominated by Mimulus guttatus and Veronica americana Miscellaneous Unclassified Community
Relationship: = - Equivalent
Reference: Padgett, W. G., A. P. Youngblood, and A. H. Winward. 1989. Riparian community type classification of Utah and southeastern Idaho. Research Paper R4-ECOL-89-0. USDA Forest Service, Intermountain Forest and Range Experiment Station, Ogden, UT.

Ecological Systems Placement

NatureServe Conservation Status
Global Status: GNR (09Mar2007)
Rounded Global Status: GNR - Not Yet Ranked

Distribution
Color legend for Distribution Map
United States Distribution: CA, CO, OR, UT
Global Distribution: United States
Global Range: This small community is known from California's Coast Ranges, Sierra Nevada below 1220 m (4000 feet) elevation, northeastern California, the Cascades of Oregon, central and southern Utah, and Colorado.

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Marine Regime Mountains
Province Name: Cascade Mixed Forest - Coniferous Forest - Alpine Meadow Province
Province Code: M242 Occurrence Status: Confident or certain
Section Name: Western Cascades Section
Section Code: M242B Occurrence Status: Confident or certain
Division Name: Mediterranean Regime Mountains
Province Name: Sierran Steppe - Mixed Forest - Coniferous Forest - Alpine Meadow Province
Province Code: M261 Occurrence Status: Confident or certain
Section Name: Sierra Nevada Section
Section Code: M261E Occurrence Status: Confident or certain
Section Name: Modoc Plateau Section
Section Code: M261G Occurrence Status: Confident or certain
Province Name: California Coastal Range Open Woodland - Shrub - Coniferous Forest - Meadow Province
Province Code: M262 Occurrence Status: Confident or certain
Section Name: Central California Coast Ranges Section
Section Code: M262A Occurrence Status: Confident or certain
Domain Name: Dry Domain
Division Name: Temperate Steppe Regime Mountains
Province Name: Southern Rocky Mountain Steppe - Open Woodland - Coniferous Forest - Alpine Meadow Province
Province Code: M331 Occurrence Status: Confident or certain
Section Name: South-Central Highlands Section
Section Code: M331G Occurrence Status: Confident or certain
Section Name: North-Central Highlands Section
Section Code: M331H Occurrence Status: Confident or certain
Section Name: Northern Parks and Ranges Section
Section Code: M331I Occurrence Status: Confident or certain
Division Name: Temperate Desert Regime Mountains
Province Name: Nevada-Utah Mountains Semi-Desert - Coniferous Forest - Alpine Meadow Province
Province Code: M341 Occurrence Status: Confident or certain
Section Name: Tavaputs Plateau Section
Section Code: M341B Occurrence Status: Confident or certain
Section Name: Utah High Plateaus and Mountains Section
Section Code: M341C Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: The floristic composition is variable; several different species of Mimulus (Mimulus guttatus, Mimulus lewisii, Mimulus moschatus) may be the most dominant present. Generally, mosses are present, as well as several other water-dependent herbaceous plants such as Stellaria media, Collinsia heterophylla, Cardamine spp., Eleocharis spp., Epilobium spp., Equisetum arvense, Carex spp., Salix spp., Juncus spp., Veronica americana, Nasturtium officinale (= Rorippa nasturtium-aquaticum), Cardamine spp., and Nasturtium spp. Graminoid species are usually present as well, often less abundant than the forb component, but usually very mesic. Occasionally, the graminoid component may be more abundant, and the Mimulus spp. component serves as an indicator species to this community.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Mimulus guttatus GNR Flowering forb Herb (field)  
 
 
Mimulus lewisii GNR Flowering forb Herb (field)  
 
 
Mimulus moschatus GNR Flowering forb Herb (field)  
 
 
Stellaria media GNR Flowering forb Herb (field)      
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: Mimulus guttatus is a small, delicate herb growing within the splash zone of small first-order streams, seeps, springs and hanging gardens. It occurs from 300 to 2390 m (1000-7840 feet) in elevation. This small community is often found in narrow linear strips, occasionally broadening into small hollows, often overlooked for sampling, but universally recognized. It can occur on very steep cascades and waterfalls, on flat to steep seeps, or along gentle streams and floodplains (3-5%) often bordered by a wet meadow community (graminoid- or forb-dominated). Substrates include mixed alluvium, serpentinite, and volcanics.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Kittel et al. (2012a)
Element Description Edition Date: 25Feb2009
Element Description Author(s): G. Kittel and J. Evens

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Diaz, N. M., and T. K. Mellen. 1996. Riparian ecological types, Gifford Pinchot and Mt. Hood national forests, and Columbia River Gorge National Scenic Area. Technical Report R6-NR-TP-10-96. USDA Forest Service, Pacific Northwest Region, Portland, OR. 203 pp. plus appendices.

  • Kittel, G., E. Reyes, J. Evens, J. Buck, and D. Johnson. 2012a. Vegetation classification and mapping project report, Pinnacles National Monument. Natural Resource Report NPS/SFAN/NRR-2012/574. National Park Service, Fort Collins, CO. 428 pp.

  • Klein, A., J. Crawford, J. Evens, T. Keeler-Wolf, and D. Hickson. 2007. Classification of the vegetation alliances and associations of the northern Sierra Nevada foothills, California. Volumes 1 and 2. Report prepared for California Department of Fish and Game, Habitat Conservation Division. California Native Plant Society, Sacramento, CA. [https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=18232&inline=1]

  • Padgett, W. G., A. P. Youngblood, and A. H. Winward. 1989. Riparian community type classification of Utah and southeastern Idaho. Research Paper R4-ECOL-89-0. USDA Forest Service, Intermountain Forest and Range Experiment Station, Ogden, UT.

  • Potter, D. A. 2005. Riparian plant community classification: West slope, central and southern Sierra Nevada, California. Technical Paper R5-TP-022. USDA Forest Service, Pacific Southwest Region, Vallejo, CA. 634 pp.

  • Sawyer, J. O., T. Keeler-Wolf, and J. Evens. 2009. A manual of California vegetation. Second edition. California Native Plant Society, Sacramento CA. 1300 pp.

  • Smith, S. 1998b. Riparian community type classification for national forests in northeastern California: First approximation. USDA Forest Service, Pacific Southwest Research Station, Berkeley, CA.

  • Tendick, A., G. Kittel, J. Von Loh, P. Williams, D. Cogan, J. Coles, A. Wight, G. Wakefield, and A. Evenden. 2011b. Vegetation classification and mapping project report, Bryce Canyon National Park. Natural Resource Technical Report NPS/NCPN/NRTR--2011/442. National Park Service, Fort Collins, CO.

  • Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.


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