Naturalised plants in south-west South Island, New ZealandJournal Paper
Johnson, P.N., 1982, New Zealand Journal of Botany. Expand
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- Author: Johnson, P.N
New Zealand Botanical SocietyNewsletter
Cameron, E.K.; de Lange, P.J.; Given D.R.; Johnson, P.N.; Ogle, C.C., 1995. Expand
Okaia flat, Otago Peninsula : Botanical values and grazingJournal Paper
Johnson, P.N., 1993, Conservation Advisory Science Notes. Expand
Pingao on Otago Peninsula: botanical reportDOC Publication
Johnson, P.N., 1993. Expand
Portobello Road vegetation management
Johnson, P.N., 1989, Botany Division, DSIR. Expand
Stewart Island land management study - botanical values
Johnson, P.N., 1977, DSIR Botany Division Report. Expand
Succession and dynamics of gorse (Ulex europeaus L.) communities in the Dunedin Ecological District, South Island, New ZealandJournal Paper
Lee, W.G.; Allen, R.B.; Johnson, P.N., 1986, New Zealand Journal of Botany. Expand
Threatened and local plant lists (1995 Revision)Popular Article
Cameron, E.K.; de Lange, P.J.; Given, D.R.; Johnson, P.N.; Ogle, C.C., 1995, New Zealand Botanical Society Newsletter. Expand
Threatened and uncommon plants of New Zealand [1999]Journal Paper
de Lange, P.J.; Heenan, P.B.; Given, D.R.; Norton, D.A.; Ogle, C.C.; Johnson, P.N.; Cameron, E.K., 1999, New Zealand Journal of Botany. Expand
Threatened and uncommon plants of New Zealand [2004]Journal Paper
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D.; Johnson, P.N.; Hitchmough, R., 2004, New Zealand Journal of Botany. Expand