Silky phacelia has been noted to occur frequently on soils at and near gold mines. These soils are not the best for plants, for gold is usually associated with arsenic, a heavy metal toxic to many ...

Phacelia hastata. Skip to main content Skip to main content. Register for more free articles. Sign up for our newsletter to keep reading. Be the first to know. Get local news delivered to ...

ASHLAND, Ore.— In response to a petition and lawsuit by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected the sand dune phacelia as a threatened species under the ...