Grayish, fertile pore surface on the underside of sporocarp. Pores are very small, 6-8 per millimeter, and difficult to see without magnification.

Figure 10.  Grayish, fertile pore surface on the underside of sporocarp. Pores are very small, 6-8 per millimeter, and difficult to see without magnification. (Courtesy F. Brooks)

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