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Sorbus decora - Acer spicatum / Dryopteris carthusiana Shrubland | NatureServe Biotics 2019
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Name: Sorbus decora - Acer spicatum / Dryopteris carthusiana Shrubland
Reference: NatureServe Biotics 2019
Description: This type is only known from Isle Royale National Park in Michigan, where it is restricted to a few outer islands in Rock Harbor at the northeastern end of the park. Stands occupy sites on gentle to moderate slopes at low elevations (under 200 m [650 feet]). Soils are moderately well- to well-drained loam to sandy loam. The vegetation is an unusual type of deciduous forested scrub. Canopy cover varies from 40-90% cover; <i>Sorbus decora</i> is the most abundant canopy tree. <i>Acer spicatum</i> may be codominant, and other less common trees include <i>Abies balsamea, Picea glauca</i>, and <i>Betula papyrifera</i>. Cover of shrubs varies from about 10-70%. <i>Oplopanax horridus</i> may be a common understory shrub (but is absent in some places); other common shrubs are <i>Rubus idaeus, Sambucus racemosa</i>, and <i>Taxus canadensis</i>. <i>Dryopteris carthusiana</i> is the most abundant herb; other common herbs are <i>Gymnocarpium dryopteris</i> and <i>Maianthemum canadense</i>. Cover of nonvascular plants is about 5-25%; the most abundant nonvascular plant is the epiphytic lichens called "old man's beard" or "hairy lichens" (<i>Usnea</i> spp.). 
Accession Code: urn:lsid:vegbank.org:commConcept:34016-{FAE9F859-20FF-414F-81F1-CEED17B1FE43}
Plot-observations of this Community Concept: 2
      Party Perspective according to: NatureServe (organization)
Perspective from: 22-Apr-1999 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689884 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005253
  Translated: Northern Mountain-ash - Mountain Maple / Spinulose Woodfern Shrubland
  Common: Mountain-ash - Mountain Maple Shrubland
  Scientific: Sorbus decora - Acer spicatum / Dryopteris carthusiana Shrubland
(convergence) and Synonyms:
(similar) Sorbus decora - Acer spicatum / Dryopteris carthusiana Shrubland
(similar) Sorbus decora - Acer spicatum / Dryopteris carthusiana Shrubland
(similar) CEGL005253