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Name
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Reference
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Plots↓
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Description |
Comm #1541
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NY Heritage: Dwarf shrub bog
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accession code: VB.CC.28603.NYHERITAGEDWARF
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Ecological Communities of New York, 2nd Ed. |
10
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An ombrotrophic or weakly minerotrophic peatland dominated by low-growing, evergreen, ericaceous shrubs and peat mosses (Sphagnum spp.). The surface of the peatland is typically a mosaic of hummock/hollow microtopography. The hummocks tend to have a higher abundance of shrubs than the hollows; however, these bogs have more than 50% cover of low-growing shrubs. Water is usually nutrient-poor and acidic.
The dominant shrub is often leatherleaf (Chamaedaphne calyculata), which may have more than 50% cover. Shrubs are typically taller than the herb layer which is usually graminoid, and generally the shrub heights are 1 m or less. Other prominent shrubs and herbs are sheep laurel (Kalmia angustifolia), bog laurel (K. polifolia), Labrador tea (Rhododendron groenlandicum), cranberry (Vaccinium oxycoccos, V. macrocarpon), the sedge Carex trisperma, and tawny cottongrass (Eriophorum virginicum).
Other characteristic, but less common plants are round-leaf sundew (Drosera rotundifolia), pitcher plant (Sarracenia purpurea), bog rosemary (Andromeda glaucophylla), huckleberry (Gaylussacia baccata), black chokeberry (Aronia melanocarpa), highbush blueberry (Vaccinium corymbosum), water-willow (Decodon verticillatus), meadow sweet (Spiraea alba var. latifolia, S. tomentosa), marsh St. John's-wort (Triadenum virginicum), and the sedges Carex canescens, C. pauciflora, and Rhynchospora alba. Scattered stunted trees may be present, including black spruce (Picea mariana), tamarack (Larix laricina), and red maple (Acer rubrum).
Characteristic peat mosses that form a nearly continuous carpet under the shrubs include Sphagnum magellanicum, S. rubellum, S. fallax, S. fuscum, S. papillosum, and S. angustifolium.
Characteristic animals include common yellowthroat (Geothlypis trichas), song sparrow (Melospiza melodia), savannah sparrow (Passerculus sandwichensis), masked shrew (Sorex cinereus), meadow jumping mouse (Zapus hudsonius), southern bog lemming (Synaptomys cooperi), and wood frog (Rana sylvatica).
A dwarf shrub bog may form a floating mat around a bog lake or along the banks of an oligotrophic stream; it may also occur as a large or small mat completely filling a basin. A dwarf shrub bog may grade into a highbush blueberry bog thicket, inland poor fen, or a black spruce-tamarack bog. |
Comm #1542
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CHRYSOTHAMNUS SHRUBLAND ALLIANCE
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accession code: VB.cc.29959.CHRYSOTHAMNUSSH
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NVC 2004 |
10
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Quercus lobata / Rubus armeniacus
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accession code:
NOT CURRENTLY ACCEPTED
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CDFW Natural Communities List |
10
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Comm #1543
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Pinus strobus - Tsuga canadensis / Acer pensylvanicum / Polystichum acrostichoides Forest
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accession code: urn:lsid:vegbank.org:commConcept:34670-{FF2E3BA9-AF3F-410F-9985-4594FDE300DF}
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NatureServe Biotics 2019 |
10
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This dry-mesic white pine - hemlock forest of the northern central Appalachian Mountains and High Allegheny Plateau occurs on well-drained, nutrient-poor acidic soils. The vegetation is a closed-canopy conifer forest dominated by <i>Pinus strobus</i> and/or <i>Tsuga canadensis</i>. Canopy associates include <i>Fagus grandifolia, Acer rubrum, Betula lenta, Betula alleghaniensis, Quercus rubra</i>, and <i>Liriodendron tulipifera</i>. The sparse shrub layer contains <i>Acer spicatum, Hamamelis virginiana, Acer pensylvanicum</i>, and <i>Viburnum acerifolium</i>. <i>Rhododendron maximum</i> also occurs in this association in northern Pennsylvania. The sparse herb layer includes <i>Cypripedium acaule, Gaultheria procumbens, Lycopodium</i> spp., <i>Maianthemum canadense, Trientalis borealis, Mitchella repens, Medeola virginiana</i>, and <i>Polystichum acrostichoides</i>. |
Comm #1544
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Pinus rigida - (Pinus pungens) / Rhododendron catawbiense - Kalmia latifolia / Galax urceolata Woodland
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accession code: urn:lsid:vegbank.org:commConcept:33753-{883C4D43-C864-40E8-AFA2-E90AE4306014}
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NatureServe Biotics 2019 |
10
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This high-elevation (1220 to 1555 m [4000-5100 feet]) woodland is dominated by <i>Pinus rigida</i> with a dense, ericaceous shrub stratum and occurs on narrow ridge crests in the Southern Blue Ridge. Other tree species can include <i>Quercus rubra, Tsuga canadensis, Picea rubens</i> (rarely), and <i>Populus grandidentata</i> (rarely). Typical shrubs include <i>Kalmia latifolia, Eubotrys recurva, Rhododendron catawbiense, Rhododendron calendulaceum, Gaylussacia baccata</i>, and <i>Vaccinium corymbosum</i>. <i>Galax urceolata</i> is often dominant in the herbaceous stratum, but other species may be present. Characteristic herbs include <i>Pteridium aquilinum, Epigaea repens</i>, and <i>Melampyrum lineare</i>. Fire-suppressed examples tend to have coverage of <i>Pinus strobus, Acer rubrum</i>, and <i>Nyssa sylvatica</i>. This community is distinct from the more typical ~<i>Pinus pungens - Pinus rigida - (Quercus montana) / Kalmia latifolia - Vaccinium pallidum</i> Woodland (CEGL007097)$$ because of the presence of high-elevation species such as <i>Rhododendron catawbiense</i>. |
Comm #1545
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Quercus douglasii - Pinus sabiniana / Cercocarpus montanus var. glaber Woodland
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accession code: urn:lsid:vegbank.org:commConcept:34076-{E6BB7666-B3C2-45BD-A290-D7CFA9D5C4ED}
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NatureServe Biotics 2019 |
10
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This woodland/forest association is known from the foothills and mountains of the Sierra Nevada from Butte to Fresno counties and the Central Coast in Monterey and San Benito counties. It occurs on somewhat steep to steep north-facing slopes. The overstory tree layer is dominated by <i>Quercus douglasii</i> and is typically codominated by <i>Pinus sabiniana</i>, but the pine can be merely present. The shrub layer is thickly dominated by <i>Cercocarpus montanus var. glaber</i>. Other trees and shrubs may be present but never dominant. The herbaceous layer is typically overwhelmingly dominated by non-native graminoids such as <i>Bromus diandrus, Bromus hordeaceus</i>, and <i>Bromus rubens</i>. |
Comm #1546
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Pleurahpis mutica Shrub Herbaceous Alliance
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accession code: VB.cc.30171.PLEURAHPISMUTIC
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NVC 2004 |
10
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Comm #1547
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PINUS JEFFREYI FOREST ALLIANCE
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accession code: VB.cc.30154.PINUSJEFFREYIFO
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NVC 2004 |
10
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Comm #1548
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COLEOGYNE RAMOSISSIMA SPARSE VEGETATION
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accession code: VB.cc.29969.COLEOGYNERAMOSI
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NVC 2004 |
10
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Comm #1549
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Quercus kelloggii – Pinus ponderosa Association
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accession code: urn:lsid:vegbank.org/vegbranch:commConcept:28831-{B951543E-4C6D-4006-ABC7-F86C1A3EDDB4}
NOT CURRENTLY ACCEPTED
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Northern Sierra Nevada Foothills Report |
10
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