It is often a smaller plant when mature and the majority of the leaf tips will touch the ground, whereas in C. selloana most of the leaf tips are at various heights above the ground. Widespread and abundant. Competes with and smothers other vegetation. Impacted in particular are plants growing in rocklands e.g. coastal cliffs, plants of gumlands, coastal dunes etc. A threat to islands as dense colonies can form.
Pampas has no set routes of dispersal.
Many bulking-up areas exist around Auckland, particularly in exotic plantations where clearance creates opportunity for seed germination. Grazing of cattle on coastal dunes in pine forests causes problems as cattle eat the native toetoe allowing displacement by introduced species. Large seed production per plant. Remove large plants with a digger. Disposal Compost or mulch.