The Milton Ranch north of Roundup was crawling with botanists on the cool, wet, third week in September, and Roger Rosentreter, retired state botanist for the Bureau of Land Management in Idaho, was probably the most ebullient member of the team. When he arrived back at the ranch headquarters two hours past the usual afternoon gathering time, he said, “We’ve been out searching for manna lichens! Do you know what they are? They’re the kind that blow on the wind, and came in time to save the Israelites from starving in the desert during their exodus from Egypt!” (more…) Continue Reading →