The Sonoran Institute and the National Park Service with funding from the AZNPS-Tucson Chapter has produced Fact Sheets for 74 Invasive Exotic Plants which include morphologic descriptions, photos of plant parts, ecology and distribution maps. A description of the project is explained here. For an example of the fact sheet for Sahara Mustard, Brassica tournefortii, click here.

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Southern Arizona is threatened by the invasion of buffelgrass and fountain grass.

View the 10-minute video on the buffelgrass problem in Southern Arizona, released in July, 2008: Buffelgrass Invasion: Its Threat To The Sonoran Desert and Our Will To Stop It

Read Bonfire of the Superweeds: In the Sonoran Desert, good intentions combust!  A summary of the buffelgrass invasion by award-winning reporter Michelle Nijhuis, High Country News, August 20, 2007.

Buffelgrass (Pennisetum ciliare)and fountain grass (Pennisetum setaceum) are spreading through the Sonoran Desert and threatening our distinctive native Sonoran Desert plants. AZNPS has prepared two flyers on these invasive nonnative species. PDF versions of these flyers can be downloaded or viewed in your browser.

Buffelgrass (Pennisteum ciliare)

Fountaingrass (Pennisetum setaceum)

Learn how to identify buffelgrass and fountain grass, how to eradicate these African grasses and why they are a threat to the Sonoran Desert. Download the brochure Wanted: Buffelgrass, Dead and Gone.

Download the Spanish version of Wanted: Buffelgrass, Dead and Gone.

Buffelgrass looks dramatically different depending on whether it is green and actively growing or dry and dormant. Download this information sheet to identify buffelgrass when it is dry.

Read more about invasive plants and animals at the Arizona Sonora Desert Museum Invaders website.

Learn why star thistle, buffelgrass, fountain grass and tamarix are a threat to our waterways in the 4-page brochure Wipe Out Weeds.

The Pima County Department of Natural Resources, Parks and Recreation has trained volunteers to help neighborhoods recognize the threat. To schedule a Buffelgrass Educator for your neighborhood, contact the Pima County Environmental Educators by email or call 520-615-7855.

Gather your neighbors and friends to clear out these invasives that threaten neighborhoods, natural landscapes and scenic roadways in Pima County. Go to Pima County Roadway Invasive Weed Removal Program to download forms and guidelines.

What do you do if you have buffelgrass on your property? Download this handout to learn how to use herbicide and manually remove buffelgrass.

Where do you buy digging bars, trash bags, gloves and safety vests? Download this handout for source information.

You can also download Buffelgrass Class: A Tutorial for Identification and Removal of Buffelgrass. This 5-minute video is a project of Sonoran Desert Weedwackers and the Southern Chapter of the Arizona Native Plant Society, in collaboration with the University of Arizona's Desert Laboratory. It is narrated by Barb Skye Siegel, and was produced by Acacia Betancourt and donated by Black Sheep Video Productions. This tutorial can also be viewed on YouTube.

Learn more about what the Tucson community is doing to combat the spread of buffelgrass by going to the Arizona-Sonoran Desert Museum bufflegrass webpage.

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A recent and concerning arrival to Arizona is Globe Chamomile (Oncosiphon piluliferum).  This plant is spreading rapidly in both urban and wild areas and can quickly dominate a landscape.

This brochure is a quick introduction to Globe Chamomile.


This presentation provides many more details.


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