These include the spread of highly flammable invasive grasses in many areas, and fire fighting tactics, strategies and policies are also paying a role in many cases, especially in the [wildland - urban interface]. (dotearth.blogs.nytimes.com)
The fire was fueled by invasive grasses thriving after winter rains, along with shrubs and small trees killed by the years - long drought. (dotearth.blogs.nytimes.com)
An experiment with invasive grass found that the biomass and rhizome production was severely stunted without bacteria. (sciencedaily.com)