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
32
m
Shrub Height
5
m
Field Height
1
m
Tree Cover
90
%
Shrub Cover
20
%
Field Cover
60
%
Nonvascular Cover
1
%
Misc Fields:
Observation Narrative
Plot is located in a relatively small remnant of oak-hickory flatwoods on diabase in the northern Piedmont Culpeper (Triassic) Basin of Loudoun County. Overall species-richness (111 taxa / 400 sq. m.) is extraordinary on an absolute scale, but only somewhat exceptional for this community type.