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Pseudotsuga menziesii / Umbellularia californica / Frangula californica ssp. californica Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Umbellularia californica / Frangula californica ssp. californica Forest Reference: Western Ecology Working Group of... Description: This forest 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 forest is found on moderate to steep slopes throughout the inland valleys of the Point Reyes/Golden Gate planning area. Stands grow from the lower slope to ridge positions on any aspect, and prefer moderately fine to coarse sandy clay loams. This forest forms a two-tiered canopy with <i>Pseudotsuga menziesii</i> dominating the upper canopy. The top tier is intermittent and generally about 30 m or greater in height. The lower tree canopy is usually dominated by <i>Umbellularia californica</i>, though this species' cover varies widely from stand to stand. <i>Frangula californica ssp. californica</i> dominates the shrub layer and sometimes completely replaces <i>Umbellularia californica</i> in the short-tree stratum. Other shrubs commonly found in this forest include <i>Toxicodendron diversilobum, Sambucus racemosa, Polystichum munitum, Pteridium aquilinum, Baccharis pilularis, Artemisia californica, Rubus ursinus</i>, and/or <i>Rubus parviflorus</i>. The herbaceous layer is open to intermittent and often includes <i>Stachys ajugoides, Erechtites minima</i>, and/or <i>Maianthemum stellatum</i>. Generally this is a slightly more xeric forest than ~<i>Pseudotsuga menziesii / Umbellularia californica / Polystichum munitum</i> Forest (CEGL003168)$$, with most stands occurring on convex or linear slopes or slopes with more southerly aspects.  Accession Code: VB.CC.33281.CEGL003167 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.2.687674 NatureServe Explorer   Translated: Douglas-fir / California Laurel / California Buckthorn Forest   Scientific: Pseudotsuga menziesii / Umbellularia californica / Frangula californica ssp. californica Forest   Code: CEGL003167