New Zealand Journal of Botany abstracts

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Ectomycorrhizal fungi in New Zealand: current perspectives and future directions

David A. Orlovich

Department of Botany
University of Otago
P.O. Box 56
Dunedin, New Zealand
Email: david.orlovich@botany.otago.ac.nz

John W. G. Cairney

Centre for Horticulture and Plant Sciences
University of Western Sydney
Parramatta Campus
Locked Bag 1797
Penrith South DC, NSW 1797, Australia

Abstract  The occurrence and host plant associations of ectomycorrhizal (ECM) fungi in New Zealand are reviewed. Seventy-six genera of fungi thought to be ECM are recorded as associated with plants in New Zealand, including 1 zygomycete, 11 ascomycete, and 64 basidiomycete genera. Forty-two genera are recorded in association with Nothofagus spp., Leptospermum scoparium, and/or Kunzea ericoides. Ten genera are recorded in association only with introduced tree species (Pinus radiata, Pseudotsuga menziesii, and others) and 24 genera are associated with either native or introduced species. Generally, ECM fungal species have either native or introduced trees as hosts, but exceptions exist. In particular, Amanita muscaria is a potential unassessed threat to native ECM fungal communities. We review invasive ECM fungi and their roles in facilitating the invasion of introduced trees.

Keywords  Amanita muscaria; ectomycorrhizal fungi; invasive fungi; Kunzea ericoides; Leptospermum scoparium; New Zealand; Nothofagus; Pinus radiata

B04006; Received 1 March 2004; accepted 3 September 2004; Online publication date 9 December 2004
New Zealand Journal of Botany, 2004, Vol. 42: 721–738
0028–825X/04/4205–0721 © The Royal Society of New Zealand 2004

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