Vegetation Classification and Mapping Project Report - USGS

USGS-NPS Vegetation Mapping Program
Colonial National Historical Park
COMMON NAME (PARK-SPECIFIC): SUCCESSIONAL MIXED SCRUB
SYNONYMS
USNVC English Name: Not Applicable
USNVC Scientific Name: Not Applicable
USNVC Identifier: Nonstandard
LOCAL INFORMATION
Environmental Description: This mapping unit is not a natural / semi-natural vegetation type
and includes successional shrubby areas bordering roadways and Cultural Meadow.
Vegetation Description: Successional Mixed Scrub can vary from a tangle of native and exotic
vines over short trees to dense mixtures of shrubby, successional and exotic species. Species
composition and dominance vary greatly from site to site. Vines found in this mapping unit can
include Hedera helix (English ivy), Lonicera japonica (Japanese honeysuckle), Parthenocissus
quinquefolia (Virginia creeper), Rubus spp. (blackberries), Vinca minor (common periwinkle),
Vitis vulpina (frost grape), and Wisteria sinensis (Chinese wisteria). Other shrubby species can
include Ailanthus altissima (tree of heaven), Diospyros virginiana (common persimmon),
Juniperus virginiana var. virginiana (eastern redcedar), Ligustrum sinense (Chinese privet),
Paulownia tomentosa (princesstree), Prunus serotina var. serotina (black cherry), and Sassafras
albidum (sassafras).
This mapping unit varies from vine thickets to tall shrublands. Species composition varies from
site to site.
Most Abundant Species: Information not available.
Characteristic Species: Information not available.
Other Noteworthy Species: Information not available.
Subnational Distribution with Crosswalk Data:
State SRank Rel Conf SName
Reference
VA
NA . .
[not crosswalked, not ranked] .
Local Range: Successional Mixed Scrub is mapped as seven polygons in the vicinity of
Yorktown Battlefield and Yorktown Village.
Classification Comments: This mapping unit is distinguished from other shrublands by
occurring on uplands adjacent to roadways and Cultural Meadow and being composed of exotic
and successional vines and shrubs.
Other Comments: Successional Mixed Scrub can occur as small inclusions within forests that
have sustained heavy wind damage.
Local Description Authors: K. D. Patterson.
Plots: None.
Colonial National Historical Park Inventory Notes: Information not available.
GLOBAL INFORMATION
Successional Mixed Scrub is a park-specific, nonstandard type and has no global information.
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