Print Report
CEGL001359 Sarcobatus vermiculatus / Artemisia tridentata Wet Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Greasewood / Big Sagebrush Wet Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This mixed bottomland shrubland is characteristic of stream terraces and floodplains of the Intermountain West. The presence of other shrubs in the canopy indicates less saline conditions than found in ~Sarcobatus vermiculatus Disturbed Wet Shrubland (CEGL001357)$$. Soils are deep and generally sandy, but a few sites are on well-drained silt loams or clays. The sagebrush element may be either Artemisia tridentata ssp. tridentata or Artemisia tridentata ssp. wyomingensis, and either the sagebrush or Sarcobatus vermiculatus may have the greater cover. Atriplex canescens, Ericameria nauseosa, and Chrysothamnus viscidiflorus are other common minor elements of the shrub canopy. Total shrub cover is between 5 and 30%. The understory is variable; cover by herbaceous species may be sparse to dense, or exotic species may dominate the field layer.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This mixed bottomland shrubland is characteristic of stream terraces and floodplains of the Intermountain West. The sagebrush element may be either Artemisia tridentata ssp. tridentata or Artemisia tridentata ssp. wyomingensis, and either the sagebrush or Sarcobatus vermiculatus may have the greater cover. Atriplex canescens, Atriplex confertifolia, Ericameria nauseosa, Chrysothamnus viscidiflorus, and Opuntia polyacantha are common minor elements of the open to moderately dense shrub canopy. Total shrub cover is between 5 and 50%. The understory is variable; cover by herbaceous species may be sparse to dense, or exotic species may dominate the field layer. Common graminoids include Elymus lanceolatus, Poa secunda, and the exotic annual grass Bromus tectorum. Additional grasses with low cover may include Achnatherum hymenoides, Aristida purpurea, Hesperostipa comata, and Sporobolus airoides. Common forbs include Antennaria dimorpha, Chaenactis stevioides, Cryptantha crassisepala, Descurainia pinnata, Lappula occidentalis, Lepidium densiflorum, Oenothera pallida, Phlox hoodii, Plantago patagonica, Streptanthella longirostris, and exotic species Ceratocephala testiculata (= Ranunculus testiculatus), Erodium cicutarium, and Salsola tragus. Scattered Juniperus osteosperma may be present in some stands. Cryptogam cover is moderate, up to 35%.
Dynamics: These stands occupy sites that are less saline/alkaline than ~Sarcobatus vermiculatus Disturbed Wet Shrubland (CEGL001357)$$.
Environmental Description: This minor shrub association occurs on stream terraces, alluvial fans, floodplains, toeslopes and valley floors. Elevations range from 1300 to 2027 m. Slopes are generally gentle, and the upper soil layers are somewhat saline. Soils are deep and generally sandy, but a few sites are on well-drained silt loams or clays. The parent materials are sandstones and shales that have eroded and deposited as secondary stream alluvium or eolian sand deposits, . Bare soil and litter cover most of the ground surface. Biological soil crusts are commonly present and can provide up to 60% cover.
Geographic Range: This mixed bottomland shrubland is characteristic of stream terraces and floodplains of the Intermountain West. Stands are reported from the Colorado Plateau and Great Basin from western Colorado and Utah, extending to Big Horn Basin across western Wyoming and south-central Montana.
Nations: US
States/Provinces: CO, MT, NV, UT, WY
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.686887
Confidence Level: Moderate
Confidence Level Comments: No Data Available
Grank: G4
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.5 Salt Marsh Formation | F035 | 2.C.5 |
| Division | 2.C.5.Nd North American Western Interior Brackish Marsh, Playa & Shrubland Division | D036 | 2.C.5.Nd |
| Macrogroup | 2.C.5.Nd.1 Warm & Cool Desert Alkali-Saline Marsh, Playa & Shrubland Macrogroup | M082 | 2.C.5.Nd.1 |
| Group | 2.C.5.Nd.1.b Greasewood - Saltbush species Alkaline-Saline Wet Scrub Group | G537 | 2.C.5.Nd.1.b |
| Alliance | A1046 Greasewood Intermountain Wet Shrubland Alliance | A1046 | 2.C.5.Nd.1.b |
| Association | CEGL001359 Greasewood / Big Sagebrush Wet Shrubland | CEGL001359 | 2.C.5.Nd.1.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
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