WY counties in which rare species occur. Vague or unsubstantiated county records are indicated by "?". County names in brackets indicate former range of now extinct taxa. Records for Yellowstone National Park are listed by Park or Teton County.
ALB = Albany
BIG = Big Horn
CAM = Campbell
CAR = Carbon
CON = Converse
CRO = Crook
FRE = Fremont
GOS = Goshen
HOT = Hot Springs
JOH = Johnson
LAR = Laramie
LIN = Lincoln
NAT = Natrona
NIO = Niobrara
PAR = Park
PLA = Platte
SHE = Sheridan
SUB = Sublette
SWE Sweetwater
TET = Teton
UIN = Uinta
WAS = Washakie
WES = Weston
