found: His Wetland plants in New Zealand, 1989:t.p. (Peter N. Johnson) cover (Peter Johnson) p. 4 of cover (B.Sc., Ph.D., Otago Univ.; plant ecologist, Botany Div., DSIR, Dunedin since 1973)
found: Webb, C. Flowering plants of New Zealand, 1990:t.p. (Peter Johnson) NZ CIP (Johnson, Peter N.)
found: RLIN, 12/01/98(NZ hdg.: Johnson, P. N. (Peter Nevill), 1946- )
found: Ephemeral wetlands and their turfs in New Zealand, c2003:t.p. (Peter Johnson) p. 5 (Landcare Research, Dunedin, N.Z.; Johnson, P.N.)