Quarrying (26-30 group):
Blue - Western Thanalan, Nophica's Wells
Red - Eastern Thanalan, Wellwick Wood
Yellow - Lower La Noscea, Cedarwood
Grey - Western La Noscea, Quarterstone
Brown - Lower La Noscea, Cedarwood
Green - East Shroud, Nine Ivies
Purple - Southern Thanalan, Broken Water

Edit: Botany
Blue - Eastern La Noscea, Bloodshore
Red - Middle La Noscea, Three-malm Bend
Yellow - North Shroud, Peacegarden
Grey - South Shroud, Upper Paths
Brown - North Shroud, Peacegarden
Green - Central Shroud, Bentbranch
Purple - Central Thanalan, Spineless Basin