COLUMN_NAME	SAMPLE_TYPE	LABEL	LEGAL_VALUES	VAR_TYPE	RANGE_HIGH	RANGE_LOW
ACTUAL_DATE	PLANT	"Actual date sample was collected, if different from DATE_COL"				
CNTYNAME	DESIGN	"County name (source ESRI counties based on census 2010). No missing or \blank\"" values allowed."""		CHARACTER		
COE_REG_ID	DESIGN	"US Army Corps region name shorten for printing purposes.  No missing or \blank\"" values allowed."""		CHARACTER		
COLLECT_NO	PLANT	Vascular plant collection number		NUMERIC	50	1
COVER	PLANT	Percent cover in plot		CHARACTER	100	0.1
DATE_COL	PTVER	Date site was visited		CHARACTER		
DSGN_CYCLE	DESIGN	"NWCA survey design time period.   No missing or \blank\"" values allowed."""				
EVAL_CAT	DESIGN	"NWCA site evaluation result.   Hand-picked site evaluation is Target_Sampled.  No missing or \blank\"" values allowed."""		CHARACTER		
HEIGHT	PLANT	"Height class (1=lt 0.5m, 2= gt 0.5m to 2m, 3= gt 2.5m 4=gt 5 to 15 m, 5= gt 15 to 30m, 6=gt30m, E= liana, vine or epiphyte species)"	|1|2|3|4|5|6|E	CHARACTER		
LINE		Line on field form				
NE	PLANT	Prescence data for each species observed in NE corner of veg plot (smallest size in which species occurs)	|S|M|W	CHARACTER		
NWC_CREG16	DESIGN	"NWCA regions for coefficients of conservation defined for NWCA 2016.  Regions are continuing to be updated.  Some are only a state level and some are for subregions of a state.  Generally, the values begin with two-letter postal code and if state has a subregion then followed by \_\"" and subregion letter code.  No missing or \""blank\"" values allowed."""		CHARACTER		
NWCA_ECO5	DESIGN	"5 NWCA aggregated ecoregions. AG_ECO9 is collapsed to make CPL = CPL, EMU = NAP, SAP, UMW; IPL = NPL, SPL, TPL; and WMT = WMT, XER = XER.  No missing or \blank\"" values allowed."""		CHARACTER		
PLOT		Plot number of sample				
PSTL_CODE	DESIGN	"State two letter postal code for site sampled. 50 state postal codes plus AS, MP, GU, PR, VI for American Samoa, Commonwealth of Northern Marianas, Guam, Puerto Rico and Virgin Islands.  No missing or \blank\"" values allowed."""		CHARACTER		
PUBLICATION_DATE		Date the dataset was published to the NARS site				
SITE_ID	DESIGN	"Unique Site ID for the study and year sampled.   Preferred form is NRSnn_MM-xxxxx  where  nn is current cycle year (04, 08, 13, 18, etc), MM is two letter state code, and xxxxx is between 10001 and 99999.  No missing or \blank\"" values allowed."""		CHARACTER		
SITESAMP	PTVER	Original site is sampleable				
SPECIES	PLANT	Species name or Pseudonym		CHARACTER		
SPECIES_NAME_ID	PLANT	Identification number for taxon in tblTAXA		CHARACTER		
SW	PLANT	Prescence data for each species observed in SW corner of veg plot (smallest size in which species occurs)	|S|M|W	CHARACTER		
UID		Unique identifier for the site/visit				
UNIQUE_ID		"Unique site ID based on location that does not depend on year sampled or any other factor. Form is NWC_ss_nnnnn  where ss state and nnnnn is number that starts at 10001.   No missing or \blank\"" values allowed. NA"""				
VISIT_NO	PTVER	Visit Number	|R|1|2	CHARACTER		
YEAR	PTVER	Year of sampling