Définition : Gravel is an environmental material which is composed of pieces of rock that are at least two millimeters (2mm) in its largest dimension and no more than 75 millimeters.
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)
Définition : 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/).
(MICH) - University of Michigan Herbarium {http://herbarium.lsa.umich.edu/}
Occurrences connues, spécimens collectés et observations de Psathyrella aquatica J. L. Frank, Coffan & D. Southw. 2010. Afficher cette espèce sur GBIF .
