Saxifragales is an order of plants. There are 3082 species of Saxifragales, in 115 genera and 15 families. It includes groups like Cynomoriaceae, Hamamelidaceae, and Iteaceae.
Definition: 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.
Definition: 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)