Continent-wide distribution in mycorrhizal fungi: implications for the biogeography of specialized orchids.

ABSTRACT:

Background and aims

Although mycorrhizal associations are predominantly generalist, specialized mycorrhizal interactions have repeatedly evolved in Orchidaceae, suggesting a potential role in limiting the geographical range of orchid species. In particular, the Australian orchid flora is characterized by high mycorrhizal specialization and short-range endemism. This study investigates the mycorrhizae used by Pheladenia deformis, one of the few orchid species to occur across the Australian continent. Specifically, it examines whether P. deformis is widely distributed through using multiple fungi or a single widespread fungus, and if the fungi used by Australian orchids are widespread at the continental scale.

Methods

Mycorrhizal fungi were isolated from P. deformis population

SUBMITTER: Davis BJ 

PROVIDER: S-EPMC4549956 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature