Print Report
CEGL001698 Sporobolus nealleyi - Calylophus hartwegii Grassland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Gyp Dropseed - Hartweg''s Sundrops Grassland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This Chihuahuan Desert lowland grassland association occurs on gypsum outcrops over a range of elevations from 1160-1860 m (3800-6100 feet). However, most stands occur at elevations below 1520 m (5000 feet) adjacent to or in basin bottom alluvial flats. It is found less frequently on upland hillslope gypsum outcrops. It is known only from the northern Jornada and northern Tularosa basins in central New Mexico. This gypsiferous grassland is characterized by well-represented to abundant Sporobolus nealleyi in association with the perennial forb Calylophus hartwegii. Among the other 22 shrubs recorded, Ephedra torreyana and Artemisia bigelovii are the most prevalent and abundant. Grass diversity is relatively low (5 species) and, other than Sporobolus nealleyi, poorly represented. Forb diversity is moderate (19 species) and includes several gypsophilous species besides Calylophus hartwegii such as Selinocarpus lanceolatus and Mentzelia perennis.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: ~Tiquilia hispidissima / Sporobolus nealleyi Dwarf-shrub Grassland (CEGL001546)$$ is similar, but ~Sporobolus nealleyi - Calylophus hartwegii Grassland (CEGL001698)$$ lacks Tiquilia hispidissima, and Calylophus hartwegii is well-represented to abundant as opposed to uncommon.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This gypsiferous grassland is characterized by well-represented to abundant Sporobolus nealleyi in association with the perennial forb Calylophus hartwegii. Among the other 22 shrubs recorded, Ephedra torreyana and Artemisia bigelovii are the most prevalent and abundant. Grass diversity is relatively low (5 species) and, other than Sporobolus nealleyi, poorly represented. Forb diversity is moderate (19 species) and includes several gypsophilous species besides Calylophus hartwegii such as Selinocarpus lanceolatus and Mentzelia perennis.
Dynamics: No Data Available
Environmental Description: This Chihuahuan Desert lowland grassland association occurs on gypsum outcrops over a range of elevations from 1160-1860 m (3800-6100 feet). However, most stands occur at elevations below 1520 m (5000 feet) adjacent to or in basin bottom alluvial flats. It is found less frequently on upland hillslope gypsum outcrops. It is known only from the northern Jornada and northern Tularosa basins in central New Mexico.
Geographic Range: This association is known only from the northern Jornada and northern Tularosa basins on White Sands Missile Range in central New Mexico.
Nations: US
States/Provinces: NM
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.689598
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G3
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 | A3243 Hairy Crinklemat / Gyp Dropseed - Fleshy Honeysweet Gypsum Outcrop & Alluvial Flat Desert Scrub Alliance | A3243 | 3.A.2.Na.3.b |
| Association | CEGL001698 Gyp Dropseed - Hartweg''s Sundrops Grassland | CEGL001698 | 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: = Sporobolus nealleyi - Calylophus hartwegii PA (Muldavin and Mehlhop 1992)
- Bourgeron, P. S., and L. D. Engelking, editors. 1994. A preliminary vegetation classification of the western United States. Unpublished report. The Nature Conservancy, Western Heritage Task Force, Boulder, CO. 175 pp. plus appendix.
- Muldavin, E., and P. Mehlhop. 1992. A preliminary classification and test vegetation map for White Sands Missile Range and San Andreas National Wildlife Refuge, New Mexico. University of New Mexico, New Mexico Natural Heritage Program.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.