Checks if USA-NPN phenophase exists
check_npn_phenophases(phenophase = NULL, list = TRUE)Arguments
- phenophase
An USA-NPN phenophase (character or number)
- list
List all species numbers and names as verbose output
Value
a validated list of species numbers, if not a warning is thrown and any depended routines halted.
Examples
if (FALSE) {
# list all USA-NPN phenophases
check_npn_phenophases(list = TRUE)
}