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CEGL002621 Salix lucida ssp. caudata / Rosa woodsii Wet Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Greenleaf Willow / Woods'' Rose Wet Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This association occurs in a variety of landscapes and hydrologic regimes across the range of the association. It is known from the northern Great Basin of Nevada, into southeastern Oregon, across the Snake River Plain of southern Idaho, and into Montana. Stands occur from low-elevation (1128 m [3700 feet]), wide floodplains in foothill canyons of high order streams, to low order, moderate-gradient (5% or more), perennial and intermittent streams in relatively narrow V-shaped foothill valleys at mid-elevations (1400-2440 m [4600-8000 feet]). Stands are also known from headwater spring and seep-fed channels. The association typically occurs on stable sites, such as low to moderately high stream terraces (sometimes over 1 m above water table) with silty, sandy, or clayey soils derived from alluvium. Typically found as late-seral, dense, and nearly impenetrable thickets, stands of this association are characterized by mature Salix lucida ssp. caudata about 7 to 8 m tall (with 60 to 90% cover), over an understory of 20 to 50% cover of Rosa woodsii (often most dense in canopy gaps). Ribes aureum, Salix lutea, and Prunus virginiana are commonly associated but with lesser cover than the diagnostic shrubs. While herb species diversity can be moderate, the dense shrub cover prevents light from reaching the soil surface resulting in relatively low cover in the herbaceous layer. Galium triflorum, Maianthemum stellatum, Solidago spp., and Urtica dioica are the most frequently associated forbs, while common graminoids include Carex nebrascensis and Poa pratensis, mostly in moister microsites. This association is probably a late-seral association that forms when floodplain terraces supporting other Salix lucida ssp. caudata associations become drier after natural or disturbance-induced stream channel incision. Because Rosa woodsii often occurs on higher and drier terraces, especially where livestock grazing occurs, it can invade the understory of Salix lucida ssp. caudata stands forming this association.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: The high cover of Rosa woodsii and/or Ribes aureum distinguishes this association from other Salix lucida ssp. caudata-dominated communities (Manning and Padgett 1995). Evenden (1990) quantitatively defined this association with 9 plots sampled in the Trout Creek Mountains of southeastern Oregon. This association likely occurs in Montana, where Hansen et al. (1995) lumped at least 1 Salix lucida ssp. caudata-dominated stand with high cover of Rosa woodsii under the broader Salix lucida ssp. caudata association. This association occurs in Nevada as well, where at least 3 stands dominated by Salix lucida (possibly both ssp. lasiandra and ssp. caudata, depending on the region of the state) with understories dominated by Rosa woodsii were included within the broader Salix / Rosa woodsii by Manning and Padgett (1995), possibly because they included other Salix spp. in the overstory. Weixelman et al. (1996) lists Salix lucida ssp. lasiandra / Rosa woodsii as occurring on the eastern slope of the Sierra Mountains in California and adjacent Nevada. Based on floristic similarities with the Salix lucida ssp. caudata / Rosa woodsii association, Salix lucida ssp. lasiandra / Rosa woodsii stands from the Great Basin (and the east side of the Cascade crest) are probably synonymous. In southwestern Idaho, a stand of Salix lucida ssp. caudata with high cover of Rosa woodsii was lumped within the broader and very similar Salix lucida ssp. caudata / Bench association by Jankovsky-Jones et al. (2001). Stands dominated by Salix lucida in Colorado never had more than 12% cover of Rosa woodsii in the understory (Carsey et al. 2003a), but the association will become dominated by Rosa woodsii with severe disturbance. Ten stands of Salix lucida ssp. lasiandra sampled in eastern Oregon (Crowe et al. 2004) had no more than trace to 3% cover of Rosa woodsii.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Typically found as late-seral, dense, and nearly impenetrable thickets, stands of this association are characterized by mature Salix lucida ssp. caudata about 7 to 8 m tall (with 60 to 90% cover), over an understory of 20 to 50% cover of Rosa woodsii (often most dense in canopy gaps). Ribes aureum, Salix lutea, and Prunus virginiana are commonly associated but with lesser cover than the diagnostic shrubs. While herb species diversity can be moderate, the dense shrub cover prevents light from reaching the soil surface resulting in relatively low cover in the herbaceous layer. Galium triflorum, Maianthemum stellatum, Solidago spp., and Urtica dioica are the most frequently associated forbs, while common graminoids include Carex nebrascensis and Poa pratensis, mostly in moister microsites
Dynamics: This association is probably a late-seral association that forms when floodplain terraces supporting other Salix lucida ssp. caudata associations become drier after natural or disturbance-induced stream channel incision. Because Rosa woodsii often occurs on higher and drier terraces, especially where livestock grazing occurs, it can invade the understory of Salix lucida ssp. caudata stands forming this association.
Environmental Description: This association occurs in a variety of landscapes and hydrologic regimes across the range of the association. It is known from the northern Great Basin of Nevada, into southeastern Oregon, across the Snake River Plain of southern Idaho, and into Montana. Stands occur from low-elevation (1128 m [3700 feet]), wide floodplains in foothill canyons of high order streams, to low order, moderate-gradient (5% or more), perennial and intermittent streams in relatively narrow V-shaped foothill valleys at mid-elevations (1400-2440 m [4600-8000 feet]). Stands are also known from headwater spring and seep-fed channels. The association typically occurs on stable sites, such as low to moderately high stream terraces (sometimes over 1 m above water table) with silty, sandy, or clayey soils derived from alluvium.
Geographic Range: This association has been documented from the Trout Creek Mountains of southeastern Oregon (Evenden 1990), the northern tier of mountain ranges in nearby northeastern Nevada (Manning and Padgett 1995), and from 5 widely separated foothill locations near the edges of the Snake River Plain of southern Idaho, including the South Fork Boise River (Jankovsky-Jones et al. 2001, Hansen and Hall 2002, Rust et al. 2003). This association likely also occurs in Montana (Hansen et al. 1995). Weixelman et al. (1996) lists an analogous Salix lucida ssp. lasiandra / Rosa woodsii association as occurring on the eastern slope of the Sierra Nevada in California and adjacent Nevada. The association possibly occurs in other areas within the range of Rosa woodsii where Salix lucida ssp. caudata-dominated stands form, such as Colorado (Carsey et al. 2003) and northwestern Wyoming (Walford et al. 2001), but stands have not yet been confirmed. Both Salix lucida ssp. caudata and Rosa woodsii are widespread and locally abundant at low to mid elevations across a broad geographical range.
Nations: US
States/Provinces: CA?, CO?, ID, MT, NV, OR, WY
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.683586
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G3
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 2 Shrub & Herb Vegetation Class | C02 | 2 |
| Subclass | 2.C Shrub & Herb Wetland Subclass | S44 | 2.C |
| Formation | 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation | F013 | 2.C.4 |
| Division | 2.C.4.Nb Western North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division | D031 | 2.C.4.Nb |
| Macrogroup | 2.C.4.Nb.5 Sitka Alder - Booth''s Willow / Northwest Territory Sedge Montane Marsh, Wet Meadow & Shrubland Macrogroup | M893 | 2.C.4.Nb.5 |
| Group | 2.C.4.Nb.5.d Willow species - Alder species - Water Birch Riparian & Seep Shrubland Group | G527 | 2.C.4.Nb.5.d |
| Alliance | A3769 Booth''s Willow - Geyer''s Willow - Yellow Willow Montane Wet Shrubland Alliance | A3769 | 2.C.4.Nb.5.d |
| Association | CEGL002621 Greenleaf Willow / Woods'' Rose Wet Shrubland | CEGL002621 | 2.C.4.Nb.5.d |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: < Salix / Rosa woodsii Association (Manning and Padgett 1995)
= Salix lasiandra / Rosa woodsii (Evenden 1990)
< Salix lasiandra / Bench Association (Jankovsky-Jones et al. 2001)
< Salix lasiandra Association (Hansen et al. 1995)
= Salix lasiandra / Rosa woodsii (Evenden 1990)
< Salix lasiandra / Bench Association (Jankovsky-Jones et al. 2001)
< Salix lasiandra Association (Hansen et al. 1995)
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- Evenden, A. G. 1990. Ecology and distribution of riparian vegetation in the Trout Creek Mountains of southeastern Oregon. Ph.D. dissertation, Oregon State University, Corvallis. 156 pp.
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- WNDD [Wyoming Natural Diversity Database]. No date. Unpublished data on file. Wyoming Natural Diversity Database, University of Wyoming, Laramie, WY.
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