Invasive Hieracium plant species are invading the Greater Yellowstone Ecosystem. The
potential distribution of orange hawkweed (Hieracium aurantiacum) and meadow …

Developing tools to predict the location of new biological invasions is essential if exotic
species are to be controlled before they become widespread. Currently, alpine areas in …

Yellow starthistle is an invasive plant of canyon grasslands in north-central Idaho. The
distribution of yellow starthistle is associated with general landscape characteristics that …

The invasive hawkweeds (Hieracium spp; Asteraceae taxonomic family) are creeping
perennial forbs with fibrous roots, creeping stolons, milky sap, and showy orange or yellow …

Invasive species pose a critical risk to wildlife habitat, ecosystem processes, and agricultural
productivity. This risk is exemplified by the spread of Yellowtuft (Alyssum murale and …

Throughout the world, the invasion of nonnative plants is an increasing threat to native
biodiversity and ecosystem sustainability. Invasion is especially prevalent in areas affected …

Ecological niche models (ENMs) have been proposed and applied as tools for predicting the
extent of exotic species invasion risk and for identifying areas at risk of invasion. Despite the …

EXECUTIVE SUMMARY Orange Hawkweed (Hieracium aurantiacum) is amongst a group of
newly emerging exotic species in alpine landscapes of Australia that has the potential to …

A monumental problem facing resource managers is tracking weed invasions. Effectively
focusing on the most vital areas can allow managers better control of weed infestations …

Given the limited resources available for weed management, a strategic approach is
required to give the “best bang for your buck.” The current study incorporates:(1) a model …