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Baccharis pilularis - Toxicodendron diversilobum Shrubland | Western Ecology Working Group of...
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Name: Baccharis pilularis - Toxicodendron diversilobum Shrubland Reference: Western Ecology Working Group of... Description: This shrubland association is currently only known from Point Reyes National Seashore in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This association grows on gentle to moderately steep slopes of all aspects and all upland slope positions. Soils are generally medium to fine sandy loams. This is probably the most abundant <i>Baccharis pilularis</i> association in the Point Reyes/Golden Gate area. It is found from the immediate coast to several miles inland, usually within the influence of the summer fog belt. It is usually dense in cover and appears to be present in moderately young to moderately old stands of the alliance. The progression of <i>Baccharis pilularis</i> associations in the area ranges from the invasive open grassy stands, including ~<i>Baccharis pilularis - Rubus ursinus</i> / Weedy Herbs Shrubland (CEGL003196)$$, to old thick stands that are codominated with <i>Frangula californica ssp. californica</i>. Stands of ~<i>Baccharis pilularis - Toxicodendron diversilobum</i> Shrubland (CEGL003197)$$ appear to occupy the modal representation of temporal development of stands of this alliance. Stands of this association are heavily dominated by <i>Baccharis pilularis</i> and <i>Toxicodendron diversilobum</i>, which typically combine for more than 50% cover. The shrub canopy is usually between 1-2 m in height. Other shrubs present often include <i>Rubus ursinus</i> and/or <i>Heteromeles arbutifolia</i>. The herbaceous layer is diverse and often includes <i>Pteridium aquilinum, Aira caryophyllea</i> (exotic), and/or <i>Heracleum maximum</i>. Many graminoids can be present like <i>Holcus lanatus</i> (exotic), <i>Bromus hordeaceus</i> (exotic), <i>Nassella lepida</i>, and/or <i>Nassella pulchra</i>.  Accession Code: VB.CC.34356.CEGL003197 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.2.683117 NatureServe Explorer   Translated: Coyotebrush - Pacific Poison-oak Shrubland   Scientific: Baccharis pilularis - Toxicodendron diversilobum Shrubland   Code: CEGL003197