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Wyoming Natural Diversity Database

Range Context

The extent and position of a plant or animal's continental range relative to WY.

Plants

Continental distribution extent of plants
Local endemic plant
Continental range of plant is no larger (approximately) than Natrona Co., Wyoming (72 X 72 mi)
Regional endemic plant
Continental range is no larger (approximately) than the state of Wyoming
WY endemic plant
Local or Regional endemic plant that exists only within the state of Wyoming
Widespread plant
Continental range is much larger than the state of Wyoming
Wyoming position in continental distribution of plants
CoreWyoming encompasses > 25% of the plant’s continental range
EdgeWyoming encompasses < 25% of the plant’s continental range
DisjunctWY populations of plant are widely isolated (by about 300 mi or more) from the main, contiguous portion of the continental range

 

Animals

Continental distribution extent of animals
Local endemic animal
Continental range less than about 8,000 square miles (roughly three times the size of Natrona County, Wyoming).
Regional endemic animal
Continental range less than about 100,000 square miles (roughly the size of Wyoming).
WY endemic animal
Species exists only within the state of WY
Widespread animal
Continental range greater than 250,000 square miles (roughly the size of Colorado and Wyoming combined).
Wyoming context for animals
HighWyoming encompasses > about 20% of the animal’s North American range.
MediumWyoming encompasses between about 5% and 20% of the animal’s North American range.
LowWyoming encompasses < about 5% of the animal’s North American range.
Very LowAlthough the animal has been reported in Wyoming, it is thought that there are no consistently occurring breeding, wintering, or year-round populations occurring in the state. 

 

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