IPSM Volume 12 issue 4 (IMAGE) Cambridge University Press Caption A Pennisetum ciliare (buffelgrass) invaded hillslope of the Sonoran Desert of Southern Arizona, USA. P. ciliare represents a threat to biodiversity and native desert scrub plant communities (including the iconic Saguaro Cactus) due to its competitive abilities and impacts on the fire regime. Farrell and Gomish IPSM Volume 12 issue 4 Credit Frank Staub, A Pennisetum ciliare (buffelgrass) invaded hillslope of the Sonoran Desert of Southern Arizona, USA. P. ciliare represents a threat to biodiversity and native desert scrub plant communities (including the iconic Saguaro Cactus) due to its competitive abilities and impacts on the fire regime. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.