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Umbellularia californica / Polystichum munitum Forest | Western Ecology Working Group of...
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Name: Umbellularia californica / Polystichum munitum Forest Reference: Western Ecology Working Group of... Description: This association is known from the vicinity of the San Francisco Bay area including Alameda, Marin, Contra Costa, and San Mateo counties, California. It is possible that this association continues farther north and south in the outer Coast Ranges of California. This association is a relatively mesic type that occupies ravine bottoms or north- or northeast-facing slopes in the San Francisco Bay Area. Stands may occupy slopes up to 45% steep and are usually found on marine sediments including soils derived from the Franciscan Formation. This association as seen in the Berkeley and Oakland Hills is composed of a dense canopy of up to 95% cover of single- to multi-stemmed individuals of <i>Umbellularia californica</i> from 12 to 20 m tall with a sparse shrub and sapling layer of various species including <i>Corylus cornuta, Symphoricarpos mollis</i>, and <i>Ribes malvaceum</i>. The herbaceous layer is dominated by open to dense clumps of <i>Polystichum munitum</i> estimated as covering from 15 to 80% of the ground.  Accession Code: VB.CC.32298.CEGL003174 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.2.686263 NatureServe Explorer   Translated: California Laurel / Western Swordfern Forest   Scientific: Umbellularia californica / Polystichum munitum Forest   Code: CEGL003174