Definitions

1. adjective

a genus of poisonous fungi, commonly found in Europe and North America, characterized by their brightly colored caps and white or yellow gills

“The mycologist carefully identified the cortinarius species found in the forest, warning his companions to avoid them due to their toxicity.”

2. noun

any species within the cortinarius genus

“The cortinarius collection at the museum is one of the largest in the world, featuring over a hundred different species.”