Login | Datasets | Logout
Jump to... Home PLOT search PLANT search COMMUNITY search Simple search Manage datasets Tutorial About FAQ ------- Site map VegBranch Data dictionary ERD

stdcommconcept5073150731

View Community Concepts - Detail

Eragrostis lehmanniana - Eragrostis curvula Ruderal Desert Grassland Alliance | NatureServe Biotics 2019
click to update datacart
Name: Eragrostis lehmanniana - Eragrostis curvula Ruderal Desert Grassland Alliance Reference: NatureServe Biotics 2019 Description: This semi-natural grassland is characterized by dominance or codominance of <i>Eragrostis lehmanniana</i>, an introduced perennial forage grass seeded and now naturalized throughout much of southern Arizona. This alliance is also variable in composition and cover and is defined by having 25% or more cover of <i>Eragrostis lehmanniana</i> or over a third of the total perennial graminoid cover for stands with a sparser herbaceous layer. <i>Eragrostis lehmanniana</i> also strongly dominates many stands with few native species remaining. Scattered shrubs and dwarf-shrubs may be present, typically totaling less 10% cover, but this alliance includes stands with up to 15% cover of the tall shrub <i>Prosopis velutina</i>. Other woody species may include <i>Calliandra eriophylla, Gutierrezia sarothrae</i>, or <i>Isocoma tenuisecta</i>. <i>Gutierrezia microcephala</i> is abundant in some stands. Remnant desert grasses include <i>Aristida ternipes, Bouteloua chondrosioides, Bouteloua curtipendula, Bouteloua eriopoda, Bouteloua rothrockii, Digitaria californica</i>, and <i>Eragrostis intermedia</i>. Other common herbaceous species include <i>Allionia incarnata, Ambrosia confertiflora, Boerhavia erecta, Mollugo verticillata, Cylindropuntia versicolor, Panicum hirticaule, Polygala barbeyana, Proboscidea parviflora</i>, and <i>Phemeranthus aurantiacus</i>. This desert grassland/steppe alliance occurs in southeastern Arizona on alluvial fans, ridges, hills and valley floors. The elevation range is 960-1100 m (3150-3600 feet). Sites occur on gentle to moderate slopes. Substrates are variable but are often well-drained sandy loam.  Accession Code: urn:lsid:vegbank.org:commConcept:38386-{42AADE8A-4E2B-4A61-A805-FBC775A1945A} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Sep-2014 to: ongoing
	status: accepted Community's Parent: Eragrostis lehmanniana - Bromus rubens - Brassica tournefortii Warm Desert Ruderal Grassland Group This Community's Level: Alliance This Community's Children: Show/Hide   Calliandra eriophylla / Eragrostis lehmanniana Ruderal Shrubland   Eragrostis lehmanniana Ruderal Grassland   Eragrostis lehmanniana Ruderal Shrub Grassland   Panicum antidotale Ruderal Grassland		Names:   UID: ELEMENT_GLOBAL.2.899225 NatureServe Explorer   Code: A2687   Translated: Lehmann's Lovegrass - Weeping Lovegrass Ruderal Desert Grassland Alliance   Common: Ruderal Lovegrass Desert Grassland   Scientific: Eragrostis lehmanniana - Eragrostis curvula Ruderal Desert Grassland Alliance