Retrieves the phenophases applicable to species for a given date. It's important to specify a date since protocols/phenophases for any given species can change from year to year.
npn_phenophases_by_species(species_ids, date, ...)List of species_ids for which to get phenophase information.
The applicable date for which to retrieve phenophases for the given species.
Curl options passed on to GET
A data frame listing phenophases in the NPN database for the specified species and date.