COLUMN_NAME	SAMPLE_TYPE	UNITS	LABEL	FORMABBR	VAR_TYPE	RANGE_HIGH	RANGE_LOW	LEGAL_VALUES
AC	PLANT		"Alien (adventive or introduced) or cryptogenic species indicator variable, based on state-specific NWCA_NATSTAT value for species"		NUMERIC			
ALIEN	PLANT		"Adventive or introduced species indicator variable, based on state-specific NWCA_NATSTAT value for species"		NUMERIC			
GEOG_ID			Name of geographic unit associated with trait value					
HSEN	PLANT		"Highly sensitive species, based on NWCA_CC value of 9 or 10"		NUMERIC			
HTOL	PLANT		"Highly tolerant species, based on NWCA_CC value of 0, 1, or 2"		NUMERIC			
ISEN	PLANT		"Intermediate sensitivity species, based on NWCA_CC value of  5 or 6"		NUMERIC			
NATSTAT_ALT	PLANT		Combined NWCA_NATSTAT values to simplify combinations		CHARACTER			
NWCA_CC	PLANT		"NWCA Coefficient of Conservatism, state- and species-specific, integer values except for Und for undetermined values"		NUMERIC			
NWCA_NATSTAT	PLANT		"NWCA native status, species- and state-specific values"		CHARACTER			
SEN	PLANT		"Sensitive species, based on NWCA_CC value of 7, 8, 9, or 10"		NUMERIC			
SPECIES_NAME_ID	TREE		Number identifying a each specific plant taxon	NWCA_SNAG	CHARACTER			
SPECIES_NAME_ID	PLANT		Number identifying a each specific plant taxon	NWCA_VASCULAR	CHARACTER			
TOL	PLANT		"Tolerant species, based on NWCA_CC value of 0, 1, 2, 3, or 4"		NUMERIC			
USDA_NAME	PLANT		"USDA species name, includes some added more generic names specific to NWCA"		CHARACTER