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CEGL002115 Quercus fusiformis / Schizachyrium scoparium Woodland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Texas Live Oak / Little Bluestem Woodland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This community occurs on gently sloping to nearly flat areas in the eastern Edwards Plateau and Crosstimbers of Texas and ranges into southern Oklahoma. Quercus fusiformis is the canopy dominant, occurring from locally dense mottes to very open woodland (savanna) structure. With fire suppression, grazing, and other disturbances, Juniperus ashei has increased and forms a dense lower tree stratum in many sites. Other characteristic shrubs and small trees include Diospyros texana, Mahonia trifoliolata, Forestiera pubescens, and Celtis laevigata var. reticulata. In areas with no or mild grazing pressure, Schizachyrium scoparium var. scoparium is typically the dominant grass, often admixed with Bouteloua rigidiseta, Bouteloua curtipendula, Bouteloua hirsuta var. pectinata, Aristida purpurascens, and Nassella leucotricha. Other herbs include Chaetopappa bellidifolia, Evolvulus sericeus, Lygodesmia sp., and others. When impacted by intense grazing, the grass dominants may shift toward the mid to short grasses that are less desirable forage. The herbaceous layer in some areas is increasingly becoming dominated by the exotic grass Bothriochloa ischaemum.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: Further information and analysis are needed to confirm that disjunct portions of this association''s distribution (central Texas, southern Oklahoma) should be treated as the same association. The relationship of ~Quercus fusiformis / Hilaria belangeri Woodland (CEGL002116)$$ and ~Quercus fusiformis / Schizachyrium scoparium Woodland (CEGL002115)$$ needs to be clarified. This association currently also includes closed-canopy forests dominated or codominated by Quercus fusiformis documented from Fort Hood, Texas. A new association may be warranted for this vegetation.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Quercus fusiformis is the canopy dominant, occurring from locally dense mottes to a very open woodland (savanna) structure. With fire suppression, grazing, and other disturbances, Juniperus ashei has increased and forms a dense lower tree stratum in many sites. Other characteristic shrubs and small trees include Diospyros texana, Mahonia trifoliolata, Forestiera pubescens, and Celtis laevigata var. reticulata. Schizachyrium scoparium var. scoparium is typically the dominant grass, often admixed with Bouteloua rigidiseta, Bouteloua curtipendula, Bouteloua hirsuta var. pectinata (= Bouteloua pectinata), Aristida purpurascens, and Nassella leucotricha. Other herbs include Chaetopappa bellidifolia, Evolvulus sericeus, Lygodesmia sp., and others.
Dynamics: No Data Available
Environmental Description: This community occurs on gently sloping to nearly flat areas in the eastern Edwards Plateau of central Texas and southwestern Oklahoma.
Geographic Range: This community occurs from the Edwards Plateau of central Texas, to southern Oklahoma and possibly into the states of Nuevo Leon and Coahuila, Mexico.
Nations: MX?,US
States/Provinces: MXCOA?, MXNLE?, OK, TX
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.683447
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G2G4
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.1 Warm Temperate Forest & Woodland Formation | F018 | 1.B.1 |
| Division | 1.B.1.Nd Madrean-Balconian Forest & Woodland Division | D060 | 1.B.1.Nd |
| Macrogroup | 1.B.1.Nd.3 Texas Red Oak - Texas Live Oak - Ashe''s Juniper Forest & Woodland Macrogroup | M015 | 1.B.1.Nd.3 |
| Group | 1.B.1.Nd.3.a Texas Live Oak - Ashe''s Juniper Dry Forest & Woodland Group | G126 | 1.B.1.Nd.3.a |
| Alliance | A0477 Texas Live Oak - Ashe''s Juniper Woodland Alliance | A0477 | 1.B.1.Nd.3.a |
| Association | CEGL002115 Texas Live Oak / Little Bluestem Woodland | CEGL002115 | 1.B.1.Nd.3.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: < IB3c. Plateau Live Oak Woodland (Allard 1990)
< Plateau Live Oak-Midgrass Series (Diamond 1993)
< Plateau Live Oak-Midgrass Series (Diamond 1993)
- Allard, D. J. 1990. Southeastern United States ecological community classification. Interim report, Version 1.2. The Nature Conservancy, Southeast Regional Office, Chapel Hill, NC. 96 pp.
- Cogan, D. 2007c. Vegetation classification and mapping project report, Lyndon B. Johnson National Historical Park. Natural Resource Technical Report NPS/SOPN/NRTR--2007/073. National Park Service, Johnson City, TX. 118 pp.
- Diamond, D. D. 1993. Classification of the plant communities of Texas (series level). Unpublished document. Texas Natural Heritage Program, Austin. 25 pp.
- Hoagland, B. 2000. The vegetation of Oklahoma: A classification for landscape mapping and conservation planning. The Southwestern Naturalist 45(4):385-420.
- Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.
- Zanoni, T. A., P. G. Risser, and I. H. Butler. 1979. Natural areas for Oklahoma. Oklahoma Natural Heritage Program, Norman. 72 pp.