BioScience Dictionary

 
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Found Facultative species 1 time.

Displaying results 1 to 10.

1. Facultative species
Species that can occur both in wetlands and uplands; there are three subcategories of facultative species: * facultative wetland plants (FACW) that usually occur in wetlands (estimated probability 67-99%), but occasionally are found in nonwetlands, * facultative plants (FAC) that are equally likely to occur in wetlands or nonwetlands (estimated probability 34-66%), and * facultative upland plants (FACU) that usually occur in nonwetlands (estimated probability 67-99%), but occasionally are found in wetlands (estimated probability (1-33%).