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CEGL004559 Artemisia filifolia / Andropogon hallii - Achnatherum hymenoides Gypsum Dune Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Sand Sagebrush / Sand Bluestem - Indian Ricegrass Gypsum Dune Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This community occurs on very active gypsum dunes in the Trans-Pecos region of Texas and possibly adjacent areas. Cover is sparse, and large patches of bare gypsum sand occur. Artemisia filifolia is the only shrub. The only grasses are Andropogon hallii and Achnatherum hymenoides. Somewhat more stable and vegetated areas are occupied by ~Artemisia filifolia - Psorothamnus scoparius - Dalea lanata Gypsum Dune Shrubland (CEGL004561)$$.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: Examples at TNC Gypsum Dunes Preserve.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Cover is sparse in stands of this community, and large patches of bare gypsum sand occur. Artemisia filifolia is the only shrub. The only grasses are Andropogon hallii and Achnatherum hymenoides (= Oryzopsis hymenoides).
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: This association is found only in the Trans-Pecos region of Texas and possibly adjacent areas.
Nations: US
States/Provinces: TX
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.689230
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G1G2
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 3 Desert & Semi-Desert Class | C03 | 3 |
| Subclass | 3.A Warm Desert & Semi-Desert Woodland, Scrub & Grassland Subclass | S06 | 3.A |
| Formation | 3.A.2 Warm Desert & Semi-Desert Scrub & Grassland Formation | F015 | 3.A.2 |
| Division | 3.A.2.Na North American Warm Desert Scrub & Grassland Division | D039 | 3.A.2.Na |
| Macrogroup | 3.A.2.Na.3 Black Grama - Bullgrass - Tobosa Grass Chihuahuan Semi-Desert Grassland Macrogroup | M087 | 3.A.2.Na.3 |
| Group | 3.A.2.Na.3.b Hairy Crinklemat / Gypsum Grama - Gyp Dropseed Grassland Group | G492 | 3.A.2.Na.3.b |
| Alliance | A3242 Sand Sagebrush / Sand Bluestem - Gypsum Grama Gypsum Dune Desert Grassland Alliance | A3242 | 3.A.2.Na.3.b |
| Association | CEGL004559 Sand Sagebrush / Sand Bluestem - Indian Ricegrass Gypsum Dune Shrubland | CEGL004559 | 3.A.2.Na.3.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: < Sandsage-Midgrass Series (Diamond 1993)
- Diamond, D. D. 1993. Classification of the plant communities of Texas (series level). Unpublished document. Texas Natural Heritage Program, Austin. 25 pp.
- Powell, A. M., and B. L. Turner. 1974. Aspects of the plant biology of the gypsum outcrops of the Chihuahuan Desert. Pages 315-325 in: R. H. Wauer and D. H. Riskind, editors. Transactions of the Symposium on the Biological Resources of the Chihuahuan Desert region, United States and Mexico. USDI National Park Service, Washington, DC.
- Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.