Get a list of all stations which have an individual whom is a member of a set of species.
npn_stations_with_spp(speciesid, ...)
A data frame with stations' latitude and longitude, names, and ids.
if (FALSE) { # \dontrun{
npn_stations_with_spp(speciesid = c(52,53,54))
npn_stations_with_spp(speciesid = 53)
} # }