Calonarius verrucisporus is a species of mushroom producing fungus in the family Cortinariaceae.[1]
It was described as new to science in 1969 by the mycologists Harry Delbert Thiers and Alexander H. Smith who classified it as Cortinarius verrucisporus.[2]
In 2022 the species was transferred from Cortinarius and reclassified as Calonarius verrucisporus based on genomic data.[3]
The mushroom is brownish-yellow. Its cap is 3–7 cm wide, convex, brownish-yellow, dry, with firm yellow flesh, and mild odor and taste.[4] The gills are adnate to notched, whitish to yellow, browning as the spores mature.[4] The stalk is 1–3 cm tall, 1–2 cm wide, equal or clavate, with a yellow partial veil.[4] The spores are brown, elliptical, and warted.[4]
Its edibility is unknown, but it is not recommended due to its similarity to deadly poisonous species.[4]
Cortinarius magnivelatus is similar in appearance, but with a white veil and flesh.[4]
The species is characterized by a long-lasting membranous universal veil.[5]
The specimens studied by Thiers and Smith were found growing solitary under Conifers in Silver Lake, California in June.[2]
Calonarius verrucisporus is a species of mushroom producing fungus in the family Cortinariaceae.
