A decade or so ago, Mohlenbrock, a professor of botany at Southern Illinois University at Carbondale, visited the Ancient Bristlecone Pine Forest ... falls as snow in winter.

It’s native to western pine forests, especially lodgepole and ponderosa ... which cache the seeds for winter. In 2008 Carroll and other researchers produced a report for the Canadian government ...

The pinesnake has disappeared from most of its range as open, old-growth longleaf pine forests have been lost to logging and development. “We absolutely need to protect the longleaf pine forests that ...