Possible tributary infestation
Single willow
Start of willow infestation
End of contiguous willow infestation
Infestation at creek junction
Long contiguous infestation including island
Continuous infestation star of both sides
Continuous, both banks
Isolated willow, first after weir, above National Park
End of infestation
Several, in sight of the National Park bridge
Acerca
Ayuda
Empleos
Directrices de la comunidad
Términos de Uso
Normativa de privacidad