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Baccharis pilularis / Annual Grass-Herb Shrubland | Western Ecology Working Group of...
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Name: Baccharis pilularis / Annual Grass-Herb Shrubland
Reference: Western Ecology Working Group of...
Description: This shrubland association of northern to southern coastal California occurs on gentle valley bottoms to steep slopes with flat to variable aspect at low elevations between 1 and 568 m. It is characterized by the dominance of <i>Baccharis pilularis</i> in the shrub layer and a variety of non-native, largely annual grasses and herbs in the herbaceous layer. The herbaceous understory can be dominated by annual exotic grasses such as <i>Lolium perenne ssp. multiflorum (= Lolium multiflorum), Bromus hordeaceus, Bromus diandrus</i>, and <i>Avena barbata</i>, along with annual herbs such as <i>Raphanus sativus</i>. Other native herbaceous species include <i>Distichlis spicata,</i><i> Juncus </i>spp., <i>Muhlenbergia rigens</i>, and <i>Corethrogyne filaginifolia (= Lessingia filaginifolia)</i>. The emergent tree layer includes occasional ruderal trees such as <i>Schinus molle, Eucalyptus</i> spp., and <i>Phoenix canariensis</i>, as well as the native <i>Quercus agrifolia</i>. This association is indicative of a disturbed seral stage that typically comes following the reversion of cleared pastureland or non-native grassland back to shrubland. <i>Baccharis </i><i>pilularis</i> behaves similarly in other areas of northern California where it often forms the first wave of woody species to recolonize cleared land. 
Accession Code: VB.CC.31902.CEGL003183
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.687932 NatureServe ExplorerNatureServe Explorer logo
  Translated: Coyotebrush / Annual Grass-Herb Shrubland
  Code: CEGL003183
  Scientific: Baccharis pilularis / Annual Grass-Herb Shrubland