Vegetation Classification and Mapping Project Report - USGS

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USGS-NPS Vegetation Mapping Program Colonial National Historical Park • Iva frutescens-Baccharis halimifolia (Good 1965) ? • Iva frutescens and Baccharis halimifolia (Klemas et al. 1973) = • Estuarine scrub-shrub wetland (Tiner 1985a) = • Estuarine scrub-shrub wetland (Tiner 1985b) = • Salt Marsh (Rawinski 1984) ? • Salt Marsh Complex, marsh-upland border (Breden 1989) B • Salt Shrub (High Subtype) (Schafale 2000) ? • Salt bush - salt meadow marsh (Daiber et al. 1976) ? • Salt marsh and upper border (Barry 1980) B • Salt marsh community (Hill 1986) B • Salt shrub (Reschke 1990) B • Saltbush zone (Boule 1979) B • Shrub succession community (Higgins et al. 1971) B • Swamp thicket (Klotz 1986) B SOURCES Description Authors: L. A. Sneddon. References: Barry 1980, Bartgis 1986, Bell et al. 2002, Berdine 1998, Boule 1979, Bowman 2000, Breden 1989, Breden et al. 2001, Clancy 1996, Coulling 2002, Coulling pers. comm., Daiber et al. 1976, Dowhan and Rozsa 1989, Eastern Ecology Working Group n.d., Edinger et al. 2002, Enser 1999, Fleming 2001, Fleming et al. 2001, Fleming pers. comm., Good 1965, Harrison 2004, Harrison and Stango 2003, Higgins et al. 1971, Hill 1986, J. Harrison pers. comm., Klemas et al. 1973, Klotz 1986, Martin 1959, Metzler and Barrett 2001, NRCS 2001, Rawinski 1984, Reschke 1990, Schafale 2000, Schafale and Weakley 1990, Sneddon et al. 1995, Swain and Kearsley 2001, TNC 1995, Tiner 1984, Tiner 1985a, Tiner 1985b, VDNH 2003. Figure I26. Salt Scrub at Colonial National Historical Park. September 2004. NAD 1983 / UTM easting 362308, northing 4125637. 282
USGS-NPS Vegetation Mapping Program Colonial National Historical Park COMMON NAME (PARK-SPECIFIC): CULTURAL MEADOW SYNONYMS USNVC English Name: Orchard Grass - Timothy - Fescue species - Goldenrod species Herbaceous Vegetation USNVC Scientific Name: Dactylis glomerata - Phleum pratense - Festuca spp. - Solidago spp. Herbaceous Vegetation USNVC Identifier: CEGL006107 LOCAL INFORMATION Environmental Description: This mapping unit includes herbaceous-dominated vegetation that is maintained as fields, lawns, and mowed roadsides throughout Colonial National Historical Park. These areas are vegetated by a mix of native and European grasses and forbs. Fields are maintained to keep an open landscape similar to the open farmland conditions found during the 18th century, and thus they are allowed to grow to a height of 50-75 cm (20-30 inches) before being mowed. Vegetation Description: Cultural Meadow includes both fields and mowed areas. The fields are dense stands of sod-forming, mostly exotic grasses. Typical grasses in these fields include Lolium pratense (meadow ryegrass), Andropogon virginicus (broomsedge bluestem), and Dactylis glomerata (orchardgrass). Mowed roadsides are highly maintained grass-dominated areas next to the Colonial Parkway. A variety of exotic plant species are common in these areas, including Viola arvensis (European field pansy), Taraxacum officinale (common dandelion), Allium ampeloprasum var. atroviolaceum (broadleaf wild leek) (locally known as "Yorktown onion"), Ranunculus bulbosus (St. Anthony's turnip), and Duchesnea indica (Indian strawberry). Areas mapped as Cultural Meadow may have below minimum mapping unit (
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