Releve Virginia Division of Natural Heritage, see http://www.dcr.virginia.gov/natural_heritage/documents/nh_plotform_instructions.pdf
Overall Taxon Cover Values are Automatically Calculated?
no
Stem Observation Area
400
m²
Plot Quality Fields:
Plot Validation Level
(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height
30
m
Misc Fields:
Observation Narrative
Plot location: On floodplain levee bordering Bull Run, ca. 0.1 miles SW of Stone Bridge on US 29.
This plot is representative of a mature floodplain levee forest with mixed overstory dominance by Liriodendron tulipifera, Celtis occidentalis, Fraxinus pensylvanica, Carya cordiformis, Ulmus americana, and Quercus shumardii. Soils here have high base status (particularly Ca, Mg, and Mn), supporting a dense understory of Asimina triloba and a lush herb layer containing many nutrient-demanding mesophytes (e.g., Asarum canadense, Cystopteris protrusa, Carex jamesii). Exotic weeds, including Microstegium vimineum, Alliaria petiolata, and Lonicera japonica, are problematic in these fertile soils that are occasionally disturbed by major floods.