Table 6.

Mean C-values (± s.d.) and the percentage of polyploids (with the number of species for which data were available in parentheses) in the endemic and indigenous species of New Zealand Poaceae in relation to their conservation status (see text for explanation of conservation categories)

Conservation status	Mean C-value	Percentage polyploids
Acutely threatened	8·95 ± 2·36 (n = 8)	87·5 (n = 8)
Chronically threatened	9·33 ± 2·99 (n = 3)	75·0 (n = 4)
At risk	12·80 ± 8·98 (n = 40)	98·0 (n = 49)
Not threatened	11·05 ± 7·38 (n = 113)	89·7 (n = 117)