Generic short diagnoses: Thin, leathery, white rotting polypores with ± lilac colours on the poroid to dentate hymenophore and pileus margin, and with thick-walled, encrusted cystidia and cylindrical to allantoid spores. |
Trichaptum biforme - DK: "tvefarvet violporesvamp"
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 young fruit bodies | Illustration and © Jacob Heilmann-Clausen Bulgaria, JHC07-285 | 
| Illustration and © Thomas Læssøe Russia (Kamchatka), TL-4606 |
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