Print Report

CEGL002447 Picea mariana / Pleurozium schreberi Forest

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Black Spruce / Schreber''s Big Red-stem Moss Forest

Colloquial Name: Black Spruce / Red-stem Moss Forest

Hierarchy Level:  Association

Type Concept: This black spruce / feathermoss forest is found widely throughout the subboreal regions of Canada and into adjacent areas of the midwestern United States, especially Minnesota. Stands occur on level to gently sloping ground. Soils are typically moderately well-drained, coarse loams, sands, and silts. The canopy of this community is closed and heavily dominated by Picea mariana with small amounts of Abies balsamea, Betula papyrifera, Picea glauca, Pinus banksiana, and Populus tremuloides. The shrub and herb layers are poorly developed. Species that are most abundant in these layers include the shrubs Corylus cornuta, Gaultheria procumbens, Ledum groenlandicum, Rosa acicularis, Vaccinium angustifolium, and Vaccinium myrtilloides and the herbs Eurybia macrophylla, Cornus canadensis, Equisetum arvense, and Maianthemum canadense. Feathermosses, particularly Pleurozium schreberi, are very abundant.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: Portions of this type (as described by Sims et al. 1989, V34) can be somewhat poorly drained, bordering on wetland types, such as ~Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Swamp Forest (CEGL005271)$$ (Sims et al. 1989, V35 or V37). There is a sparse vascular cover and few shrubs. The distribution of the type may be more fire-related in the southern part of range and less fire-dependent further north. These forests are not well understood in the northeastern United States. The abundance of black spruce and the often small stature of the canopy trees suggest that hydrological and soil conditions may be limiting for many "upland" species.

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The canopy of this community is closed and strongly dominated by Picea mariana with small amounts of Abies balsamea, Betula papyrifera, Picea glauca, Pinus banksiana, and Populus tremuloides. The shrub and herb layers are poorly developed (Grigal and Ohmann 1975). Species that are most abundant in these layers include the shrubs Corylus cornuta, Gaultheria procumbens, Ledum groenlandicum, Rosa acicularis, Vaccinium angustifolium, and Vaccinium myrtilloides, and the herbs Eurybia macrophylla (= Aster macrophyllus), Cornus canadensis, Equisetum arvense, and Maianthemum canadense. Feathermosses, particularly Pleurozium schreberi, are very abundant. Mosses may cover from 23% (Grigal and Ohmann 1975) to over 85% (Sims et al. 1989) of the forest floor.

Dynamics:  No Data Available

Environmental Description:  This community is found on level to gently sloping ground. Soils are typically moderately well-drained, coarse loams, sands, and silts (Sims et al. 1989).

Geographic Range: This black spruce / feathermoss forest type is found widely throughout the hemi-boreal regions of Canada, and into adjacent areas of the midwestern United States.

Nations: CA,US

States/Provinces:  MB, MI, MN, ON, QC




Confidence Level: Moderate

Confidence Level Comments: No Data Available

Grank: G5

Greasons: No Data Available


Concept Lineage: CEGL002453, a transition between uplands and wetlands, was split between Picea mariana / Pleurozium schreberi Forest (CEGL002447) (upland) and Picea mariana / Ledum groenlandicum / Sphagnum spp. Forest (CEGL002454) (wetland). CEGL002510 concept was taken from Man

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Picea mariana / Pleurozium schreberi Forest (Faber-Langendoen 2001)
= Black Spruce - Feathermoss Forest (MNNHP 1993)
= Black Spruce - Feathermoss Forest (Grigal and Ohmann 1975)
= Black Spruce / Feathermoss Forest (Zoladeski et al. 1995)

Concept Author(s): D. Faber-Langendoen (2001)

Author of Description: J. Drake and D. Faber-Langendoen

Acknowledgements: No Data Available

Version Date: 06-24-13

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  • ONHIC [Ontario Natural Heritage Information Centre]. 2018. Unpublished data. Ontario Natural Heritage Information Centre, Ministry of Natural Resources, Ontario, Canada.
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