Ulmus (Elm) is a genus of tree in the family Ulmaceae. They are native to The Contiguous United States, Canada, Eastern North America, and North America. They have samaras. Individuals can grow to 21 m.
Definition: a fruit which develops from a carpel and at maturity comprises a dry exocarp, dry mesocarp, and dry endocarp that are elongated into a wing-like structure.
Definition: a fruit which develops from a carpel and at maturity comprises a dry exocarp, dry mesocarp, and dry endocarp that are elongated into a wing-like structure.
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)
Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).