定義： The Oceanian realm is one of the World Wildlife Fund-WWF biogeographic realms, and is unique in not including any continental land mass. It includes the islands of the Pacific Ocean in: Micronesia, the Fijian Islands, the Hawaiian islands, and Polynesia (with the exception of New Zealand).
定義： This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
定義： The important feature of homospory is the four fold division involved in spore production, this takes the form of either a tetrahedra which gives a trilete (Y shaped scar) spore or a tetragon which gives a monolete (single linear scar) spore.
定義： A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
