Reference

Main functions
add_biomass() add_component_biomass()	Add biomass.
add_equations()	Find allometric equations in allodb or in a custom equations-table.
add_species()	Add species to a ForestGEO-like dataframe of census data.
add_tropical_biomass()	Add biomass using allometric equations for tropical trees.
add_wood_density()	Add wood density.
Helpers (may eventually be hidden)
convert_units()	A safe version of measurements::conv_unit().
valid_units()	Valid units as per measurements::conv_unit_options.