<p>Dufour, Champignons. Planche 51 <br>
N<sup>o</sup>. 120. Polyporus betulinus. Polypore du Bouleau. <br></p>
N<sup>o</sup>. 121. Polyporus igniarius. Polypore du feu.
Dufour, L.
1891
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