Fuscoporia species

Comin, Marcel, Alves-Silva, Genivaldo, Salvador-Montoya, Carlos A., Góes-Neto, Aristóteles & Drechsler-Santos, Elisandro Ricardo, 2024, Fuscoporia nebularis, (Hymenochaetaceae) a new endemic and threatened species from the cloud forests of southern Brazil, Phytotaxa 664 (1), pp. 12-30 : 24-25

Key to Neotropical Fuscoporia species

1. Basidiomata resupinate.......................................................................................................................................................................2

1’. Basidiomata effuse-reflexed to pileate .............................................................................................................................................14

2. Pores 2–5 per mm...............................................................................................................................................................................3

2’. Pores> 5 per mm................................................................................................................................................................................6

3. Basidiomata perennial ........................................................................................................................................................................4

3’. Basidiomata annual ............................................................................................................................................................................5

4. Cystidioles present, basidiospores broadly ellipsoid, 4.2–5 × 3.1–4 µm ................................................ F. contigua (Pers.) G. Cunn.

4’. Cystidioles absent, basidiospores ovoid, 3.5–4.5 x 2.5–3.5 µm............................... F. undulata (Murrill) Bondartseva & S. Herrera

5. Tramal setae present, basidiospores 4–5 × 2.8–3.5 µm.............................................................................. F. latispora Y.C. Dai et al.

5’. Tramal setae absent, basidiospores 7–8 × 1.6–2 μm .......................................................... F. contiguiformis (Pilát) Raymundo et al.

6. Basidiomata perennial ........................................................................................................................................................................7

6’. Basidiomata annual ..........................................................................................................................................................................11

7. Cystidioles present............................................................................................................................. F. ferruginosa (Schrad.) Murrill

7’. Cystidioles absent...............................................................................................................................................................................8

8. Tramal setae absent ....................................................................................... F. altocedronensis (Murrill) Bondartseva & S. Herrera

8’. Tramal setae present ...........................................................................................................................................................................9

9. Hymenial setae present.....................................................................................................................................................................10

9’. Hymenial setae absent ......................................................... F. longisetulosa (Bondartseva & S. Herrera) Bondartseva & S. Herrera

10. Basidiospores oblong-ellipsoid, 4.3–5.1 × 2.8–3.2 μm......................................................................... F. costaricana Y.C. Dai et al.

10’. Basidiospores broadly-ellipsoid, 3–3.2 × 2–2.3 μm......................................... F. breviseta (Laessøe & Ryvarden) Y.C. Dai & F. Wu

11. Cystidioles present............................................................................................................................................................................12

11’. Cystidioles absent.............................................................................................................................................................................13

12. Basidiospores 4.2–5.2 × 1.5–2 μm ........................................................................................ F. punctatiformis (Murrill) Zmitr. et al.

12’. Basidiospores 6–7.8 × 2–2.5 μm ................................................................................................................. F. ferrea (Pers.) G. Cunn.

13. Tramal setae present; basidiospores oblong to ellipsoid 4.8–6 × 2.8–3.2 µm............................... F. centroamericana Y.C. Dai et al.

13’. Tramal setae absent; basidiospores broadly ellipsoid to drop-shaped, 3–4 × 2–2.5 µm ........ F. chrysea (Lév.) Baltazar & Gibertoni

14. Basidiomata annual ..........................................................................................................................................................................15

14’. Basidiomata perennial ......................................................................................................................................................................17 15. Hymenial setae hooked...................................................................................................................... F. atlantica Motato-Vásq. et al.

15’. Hymenial setae straight ....................................................................................................................................................................16

16. Basidiospores subglobose to ellipsoid, 3.6–4.3 × 2.5–3.2 μm ......................................... F. flavomarginata (Murrill) Groposo et al.

16’. Basidiospores oblong-ellipsoid, 3–4.5 × 2.5–3 μm.................................................. F. licnoides (Mont.) Oliveira-Filho & Gibertoni

17. Cystidioles present............................................................................................................................................................................18

17’. Cystidioles absent.............................................................................................................................................................................21

18. Hymenial setae curved and bifurcate or spiny ........................................................................................... F. bifurcata Baltazar et al.

18’. Hymenial setae straight and non bifurcate .......................................................................................................................................19

19. Context color yellow .............................................................................................................. F. rhabarbarina (Berk.) Groposo et al.

19’. Context color brown .........................................................................................................................................................................20

20. Hymenial setae ventricose, 20–45 × 6–11 μm, basidiospores ellipsoid........................... F. gilva (Schwein.) T. Wagner & M. Fisch.

20’. Hymenial setae subulated, 23.4–32.4 × 4.6–5.4 µm; basidiospores oblong ellipsoid to almost sub-cylindrical................................. .................................................................................................................................................... F. callimorpha (Lév.) Groposo et al.

21. Hymenial setae hooked.....................................................................................................................................................................22

21’. Hymenial setae straight ....................................................................................................................................................................25

22. Hymenial setae with bifurcate apex, basidiospores broadly ellipsoid, 2.9–3.8 × 2.3–3.1 μm; occurring in high-altitude cloud forests .......................................................................................................................................................... F. nebularis Comin et al.

22’ Hymenial setae simple, basidiospores broadly ellipsoid, 4–6 × 3–4 μm; occurring in other ecosystems .......................................23

23. Darker line present between the stratified tubes................................................................ F. torulosa (Pers.) T. Wagner & M. Fisch.

23’. Darker line absent between the stratified tubes................................................................................................................................24

24. Occurs in a transition area between the Atlantic forest and the Cerrado ......................... F. marquesiana Gibertoni & C.R.S. de Lira

24’ Occurring in other ecosystems .................................................................................... F. wahlbergii s.l. (Fr.) T. Wagner & M. Fisch.

25. Context color yellow ............................................................................................................... F. senex (Nees & Mont.) Ghob. -Nejh.

25’. Context color brown .........................................................................................................................................................................26

26. Hymenial setae ventricose................................................................................................................................................................27

26’. Hymenial setae subulated .................................................................................................................................................................28

27. Basidiospores ellipsoid, 4–5 × 2–3 μm .............................................................................................. F. semiarida Lima-Júnior et al.

27’. Basidiospores ovoid to broadly ellipsoid, 3.2–5.6 × 3.2–4 μm.............. F. coronadensis (Rizzo, Gieser & Burds.) Raymundo et al.

28. Basidiospores cylindric ............................................................................................. F. cylindrospora (Ryvarden) Y.C. Dai & F. Wu

28’. Basidiospores ovoid to subglobose ..................................................................................................................................................29

29. Basidiospores, 5–6 × 3–4 μm ................................................................................................ F. roseocinerea (Murrill) Q. Chen et al.

29’. Basidiospores, 4–4.8 × 3.2–4 µm ......................................................................................................... F. mesophila Raymundo et al.