Taxon Details: Tylopilus obscurus Halling
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Narratives:

Family:

Boletaceae (Basidiomycota)
Scientific Name:

Tylopilus obscurus Halling
Primary Citation:

A synopsis of Colombian boletes
Mycotaxon 34: 109. 1989
Accepted Name:

This name is currently accepted.
Type Specimens:

Specimen 1: Isotype -- R. E. Halling
Description:

Latin diagnosis: Pileus usque 13 cm latus, brunneus vel griseobrunneus vel atrogriseus, tomentosus vel subvelutinus, atrogriseus quum dessicatus. Contextus pallidus, immutabilis. Tubuli pallidi tum subroseocinnamomei, immutabiles; pori brunneo-umbrini vel ochraceobubalini tactu cinnamomei. Stipes ±totus conspicue alveolatoreticulatus, pagina subroseocinnamomei; reticulum pileo concolor ad apiccem pallidum aetate subcanescens compositum. Sporea 10.5-15.4(20) × 4.2-5.6 µm. Cystidia pigmentifera parietibus tenuibus.

Distribution: Colombia, Costa RIca