# Data with row names!
# Observations on the flora of 100m^2 plots in Middle Russia. June 2001.
B1 -- O2	Plot codes with abundance of plant species, in 1543 scale (0 -- absent; 1 -- one individual plant; 2 -- no more than 12 individual plants; 3 -- number of individuals is more than 12 but no more than 5% of total number of plants on a plot; 4 -- number of individuals is more than 5 % but no more than 25 % of total number of plants on a plot; 5 -- number of individuals is more than 25% but no more than 50% of total number of plants on a plot; 6 -- number of individuals is more than 50% but no more than 75% of total number of plants on a plot; 7 -- number of individuals is more than 75% of total number of plants on a plot.)