Définition : Non-woody plants growing attached to external support without contact to the ground. Non-woody hemiepiphytes either germinate on other plants and then establish roots in the ground, or germinate on the ground and later disconnect from the soil
Définition : 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.
Définition : 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)
