Name:
Amsinckia menziesii - Amsinckia tessellata - Phacelia spp. Meadow Alliance
Reference:
NatureServe Biotics 2019
Description:
This alliance consists of intermittent to continuous cover of herbs <1 m in height. <i>Amsinckia menziesii</i> and/or <i>Amsinckia tessellata</i> is seasonally codominant in the herbaceous layer with <i>Astragalus didymocarpus, Atriplex californica, Avena</i> spp., <i>Bromus diandrus, Bromus hordeaceus, Bromus rubens, Castilleja exserta, Dichelostemma capitatum, Erodium</i> spp., <i>Hemizonia fasciculata, Centromadia pungens, Hordeum murinum, Lasthenia californica, Lupinus bicolor, Phacelia</i> spp., <i>Plagiobothrys canescens, Plagiobothrys collinus</i>, and <i>Vulpia bromoides</i>. Emergent shrubs may be present at low cover, including <i>Adenostoma fasciculatum, Artemisia californica, Eastwoodia elegans, Encelia farinosa, Ericameria palmeri, Eriogonum fasciculatum, Isocoma menziesii</i>, or <i>Lupinus albifrons</i>. In the Mojave, other herbs include <i>Asclepias subulata, Chamaesyce polycarpa, Chorizanthe brevicornu, Erodium cicutarium, Eschscholzia minutiflora, Leptosiphon aureus, Lupinus sparsiflorus, Mirabilis laevis, Pectocarya recurvata, Phacelia distans, Physalis hederifolia, Plagiobothrys</i> spp., <i>Porophyllum gracile, Schismus</i> spp., and <i>Stillingia linearifolia</i>. Associated emergent shrubs at open cover include <i>Hymenoclea salsola, Acamptopappus sphaerocephalus, Ambrosia dumosa, Encelia farinosa, Eriogonum plumatella, Larrea tridentata, Salazaria mexicana, Stephanomeria pauciflora, Tetradymia stenolepis, Viguiera parishii</i>, and <i>Yucca schidigera</i>. This alliance is found in California from sea level to 1200 m elevation on upland slopes, broad valleys, ocean bluffs, grazed or recently burned hills, and fallow fields. Soils are well-drained and loamy, and they are often subject to high levels of bioturbation.
Accession Code:
urn:lsid:vegbank.org:commConcept:39381-{C286CE67-4F4D-492A-B49F-E43CF7ECAC11}
Plot-observations of this Community Concept:
0
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