Hydnellum fuscoindicum

Species Fungorum (2025) transfers Sarcodon fuscoindicus to Hydnellum fuscoindicum; these represent the same concept for the element.

Sarcodon fuscoindicus is a striking and showy fungus that occurs from British Columbia south to California and west to Idaho. There are at least 67 occurrences. Additional information is necessary, especially surrounding potential occurrences in Mexico.

Sarcodon fuscoindicus occurs throughout the Pacific Northwest including the Cascade and Olympic Mountains of Washington, the cascades and coast range in Oregon, the coastal mountains from Northern California from Del Norte to Santa Barbara County, and on the Idaho Panhandle. This species may occur in Mexico but taxonomic research is needed to confirm specimens from central Mexico are the same species

There are 67 known occurrences of this species across its range.

This is a mycorrhizal species; it is dependent on a host tree for its carbohydrates. Studies have shown that if the tree is killed the mycorrhizal fungi die shorty after. The one possibly saving feature of this species is the spore bank. However, nothing is known about the spore bank of this species. Approximately 8 occurrences are in areas that may be threatened by residential development like Whidbey Island, Bremerton, and Mason Lake Washington, San Francisco, Calistoga, and Crescent City, California, and the McCall and Priest Lake areas in Idaho. Approximately 76% of the sites are not in permanently protected areas. If those sites are logged on a 40 year interval, around 19% of sites would be impacted over 10 years and around 76% would be impacted over 100 years.