sentences:  In 1980, only three very small colonies in eastern North Island know this plant, the places are Wairoa, Tukituki River near Hastings, and Tauwhero River near Masterton.And in 1981, there were estimated to be fewer than 50 individuals in total in the 1981 Red Data Book of New Zealand.In 1994, the plant scattered along the length of New Zealand include 12 locations in 4 regions.