Määritelmä: A depression caused by erosion by water or ice. Low-lying land bordered by higher ground; especially elongate, relatively large gently sloping depressions of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet.
Määritelmä: 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)
Lajin Crustodontia chrysocreas (Berk. & M. A. Curtis) Hjortstam & Ryvarden 2005 tunnetut esiintymiset, kerätyt näytteet ja havainnot. Näytä lajin profiili GBIF:ssä