Fig. 9. Active dune in process of occupation by Phormium tenax, Arundo conspicua and Cassinia leptophylla. West of Ruahine-Cook district. — Photo. L. Cockayne
Fig. 9. Active dune in process of occupation by Phormium tenax, Arundo conspicua and Cassinia leptophylla. West of Ruahine-Cook district. Photo. L. Cockayne.