As Pima County leaders work to finalize a fire mitigation plan, residents of Green Valley are sounding the alarm about a dangerous and fast-spreading invasive species: buffelgrass.

Weed warriors have unleashed a new weapon in the battle against buffelgrass on “A” Mountain: a herd of hungry sheep. Under a pilot project led by the Arizona-Sonora Desert Museum, 15 domestic ...

Buffelgrass and other non-native grasses are spreading out of control in Southern Arizona, after being introduced on purpose decades ago for erosion control, livestock forage and landscaping.

The majority of comments reviewed by The Post were positive, though some visitors complained that there were too many mosquitos and “not enough moose.” ...

There are a lot of words used to describe how plants look or smell — think fragrant, prickly, tall or climbing. But there are ...

Putting containment plans into effect requires dedicated resources. Residents issue urgent PSA after nightmare species rapidly invades community: 'It's expanding as we speak' first appeared on The ...

Mycorrhizal fungi are vital to ecosystems around the world, but remain largely understudied, especially in arid regions. They ...