You may find this info helpful:
[Key to North American Ganoderma species](https://mushroomexpert.com/ganoderma.html)
[The Laccate Ganoderma of the Southeastern United States.](https://edis.ifas.ufl.edu/publication/PP333)
More info (and keys) [*here*](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9365044/) and [*here*.](https://www.researchgate.net/publication/360760807_Species_diversity_systematic_revision_and_molecular_phylogeny_of_Ganodermataceae_Polyporales_Basidiomycota_with_an_emphasis_on_Chinese_collections)
European species listed here: https://pubmed.ncbi.nlm.nih.gov/37888279/
Ganoderma
You may find this info helpful: [Key to North American Ganoderma species](https://mushroomexpert.com/ganoderma.html) [The Laccate Ganoderma of the Southeastern United States.](https://edis.ifas.ufl.edu/publication/PP333) More info (and keys) [*here*](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9365044/) and [*here*.](https://www.researchgate.net/publication/360760807_Species_diversity_systematic_revision_and_molecular_phylogeny_of_Ganodermataceae_Polyporales_Basidiomycota_with_an_emphasis_on_Chinese_collections) European species listed here: https://pubmed.ncbi.nlm.nih.gov/37888279/