Xerophorus (Bon) Vizzini, Consiglio & M. Marchetti, 2020

Asif, Muhammad, Saba, Malka & Raza, Mubashar, 2023, First report of the genus Xerophorus from Asia with the description of Xerophorus pakistanicus (Callistosporiaceae), a new species from Southern Punjab, Pakistan, Phytotaxa 632 (1), pp. 38-48 : 47

Key to the species of Xerophorus

1a. Caulocystidia absent......................................................................................................................................................................... 2.

1b. Caulocystidia present.........................................................................................................................................................................3.

2. Pileus hemispherical to convex to flat, light pink; light cream with pinkish lamellae; stipe concolorous with pileus; basidiospores amygdaliform to rounded 8.3 × 6.1 μm, cheilocystidia cylindrical to clavate 21–44 × 3–5 µm; pileipellis a cutis, clamped hyphae ..................................................................................................................................................................................... X. dominicanus

3a. Basidiomata with clamp connections ................................................................................................................................................4.

3b. Basidiomata with no clamp connection.............................................................................................................................................5.

4. Pileipellis a trichoderm......................................................................................................................................................................6.

5. Pileipellis a cutis................................................................................................................................................................................7.

6. Pileus convex to parabolic,campanulate, brown to dull orange; pale yellow lamellae, concolorous stipe; basidiospores amygdaliform, oblong, 6 × 4.3 μm; cheilocystidia polymorphic 16–24.5 × 2.9–5.2 μm; clamp connections only in stipitipellis ..... X. pakistanicus

7a. Cheilocystidia poorly differentiated ..................................................................................................................................................8.

7b. Cheilocystidia well-developed ..........................................................................................................................................................9.

8. Pileus hemispherical to convex, brown, ochraceous or olive grey, concolorous lamellae, creamy stipe, basidiospores amygdaliform to ellipsoid 9.2 × 5.2 μm, cheilocystidia cylindrical to flexuose 30–50 × 6–8.5 µm ...................................................... X. olivascens

9. Pileus convex to applanate, yellow-orange to vinaceous purple; pale yellowish brown lamellae and stipe; basidiospores amygdaliform to ovoid ellipsoid 8.3 × 5.1 μm; cheilocystidia narrowly cylindrical to slightly flexuose or clavate 29–45 × 7–11 μm..................................................................................................................................................................................... X. donadinii