Foeniculum vulgare 'Purpureum' or 'Nigra'
the ferny looking small plant in amongst the ground cover grasses, once it gets seeding it will be everywhere!
Fennel is occasional on waste ground around Hokitika.
Fennel (Foeniculum vulgare) is a plant species in the genus Foeniculum (treated as the sole species in the genus by most botanists). It is a member of the family Apiaceae (formerly the Umbelliferae). It is a hardy, perennial, umbelliferous herb, with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea-coast and on riverbanks.