Inonotus linteus (Berk. & M.A. Curtis) Teixeira, 1992

Vlasák, Josef, Li, Hai-Jiao, Zhou, Li-Wei & Dai, Yu-Cheng, 2013, A further study on Inonotus linteus complex (Hymenochaetales, Basidiomycota) in tropical America, Phytotaxa 124 (1), pp. 25-36 : 34

Key to species of Inonotus linteus complex

1. Basidiocarps annual, resupinate.................................................................................................................... I. tropicalis

1. Basidiocarps perennial, pileate to effused-reflexed ...................................................................................................... 2

2. The binding alike hyphae (frequently branched and winding) present in trama .......................................................... 3

2. The binding alike hyphae (frequently branched and winding) absent in trama............................................................ 4

3. Pores 5–7 per mm; basidiospores 4–4.8 × 3.4–4 µm .................................................................................. I. dependens

3. Pores 2–3 per mm; basidiospores 6–7 × 4.4–5.1 µm ............................................................................ I. sideroxylicola

4. Pores 4–5 per mm ......................................................................................................................................................... 5

4. Pores> 5 per mm .......................................................................................................................................................... 6

5. Basidiospores 3.5–4.5 × 3–3.5 µm; temperate species in Euraisa............................................................. I. lonicerinus

5. Basidiospores 4.8–5.8 × 3.7–4.8 µm; subtropical to tropical species in America................................. I. pseudolinteus

6. Pores 8–10 per mm .................................................................................................................................. I. lonicericola

6. Pores 5–8 per mm ......................................................................................................................................................... 7

7. Tramal skeletal hyphae and contextual thick-walled hyphae swollen in KOH ............................................................ 8

7. Tramal skeletal hyphae and contextual thick-walled hyphae unchanged in KOH ....................................................... 9

8. Dissepiments distinctly thick (= diameter of pores) ...................................................................................... I. cubensis

8. Dissepiments distinctly thin to slightly thick (<1/4 diameter of pores).......................................................... I. linteus

9. Context very thin, <3 mm .......................................................................................................................................... 10

9. Context very thick,> 10 mm ...................................................................................................................................... 11

10. Context duplex; distributed in the warm temperate to subtropical areas...................................................... I. weigelae

10. Context homogeneous; distributed in alpine zones ........................................................................................ I. alpinus

11. Setae mostly <20 µm long ......................................................................................................................................... 12

11. Setae mostly> 20 µm long ......................................................................................................................................... 13

12. Basidiocarps with an acute edge; tropical species .......................................................................................... I. zonatus

12. Basidiocarps with a blunt edge; temperate species........................................................................................... I. baumii

13. Basidiospores basically subglobose; restricted to Juglans .......................................................................... I. weirianus

13. Basidiospores basically broadly ellipsoid; restricted to Morus or Populus ................................................................ 14

14. Basidiocarps resupinate to pileate; basidiospores 3.8–4.4 × 2.8–3.7 µm; restricted to Populus ...................... I. vaninii

14. Basidiocarps distinctly pileate; basidiospores 4–4.9 × 3.1–3.9 µm; restricted to Morus .......................... I. sanghuang