Print Report

CEGL001547 Artemisia filifolia / Sporobolus flexuosus Shrubland

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Sand Sagebrush / Mesa Dropseed Shrubland

Colloquial Name: No Data Available

Hierarchy Level:  Association

Type Concept: This shrubland occurs on smooth to hummocky sandsheets found within the Jornada del Muerto and Tularosa basins of New Mexico at low elevations (1160-1520 m [3800-5000 feet]). One stand was reported from sandy deposits located on the leeward footslopes of the southern San Andres Mountains at about 1710 m (5600 feet) elevation. However, because slopes are mostly gentle, aspect is probably not as important a determinant of community distribution as are the sandy soils. Soils are deep and sandy Torripsamments, and probably of relatively recent origin with little structure development. Moderately open, plains shrubland (25-30% average cover) of waist-high Artemisia filifolia, with an understory characterized by scattered, tall bunchgrasses, typically Sporobolus flexuosus. The shrub layer may include up to 17 species, the most common being Yucca elata, Atriplex canescens, and Gutierrezia sarothrae. Other shrubs associated with sandy soils, and occasionally present, include Psorothamnus scoparius. Grass cover is abundant and diverse with up to 23 mostly sandy-soil-adapted, warm-season species. Of these, Sporobolus flexuosus is generally the dominant grass; however, with increased sand depth, Sporobolus giganteus (a suggested phase) becomes more prevalent and occasionally may even dominate. An additional common associate is Achnatherum hymenoides. A rich forb layer of late summer bloomers is possible within inter-shrub spaces. The most common are Dimorphocarpa wislizeni, Baileya multiradiata, Sphaeralcea spp., and Helianthus annuus.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: ~Artemisia filifolia / Bouteloua eriopoda Shrubland (CEGL001077)$$ and Sand Sagebrush/Galleta PA and Hoary Rosemarymint/Mesa Dropseed PA (Muldavin et al. 2000b) are shrubland communities on sandy plains. Mesa Dropseed/Soaptree Yucca grasslands (Muldavin et al. 2000b) are also known from sandy plains, but lack a significant shrub layer. Although sagebrush stands within the northern Jornada Basin may intermix with other habitat types, this type is generally limited to the deepest accumulations of sand. It sometimes occurs on sandy deposits that have accumulated on lower alluvial fan piedmonts below Larrea tridentata and Flourensia cernua types (commonly located on erosive surfaces rather than sand deposits). Moving sand, rather than lack of water, is the limiting factor for plants on sand (Bowers 1982). Artemisia filifolia and Sporobolus flexuosus are often seen on sandy substrates, but do not grow rapidly in response to shifting sands. Their abundant presence on these sandsheets indicates these sands are fairly stable.

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: No Data Available

Dynamics:  No Data Available

Environmental Description:  No Data Available

Geographic Range: No Data Available

Nations: US

States/Provinces:  NM, UT




Confidence Level: Low - Poorly Documented

Confidence Level Comments: No Data Available

Grank: G5

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Artemisia filifolia / Sporobolus flexuosus Plant Association (Muldavin et al. 1998d)
= Sand Sagebrush/Mesa Dropseed PA (Muldavin et al. 2000b) [(Artemisia filifolia/Sporobolus flexuosus; ARTFIL/SPOFLE)]

Concept Author(s): Muldavin et al. (2000b)

Author of Description: Muldavin et al. (2000b)

Acknowledgements: No Data Available

Version Date: 08-30-12

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