Phyllachora, Nitschke ex Fuckel, 1870

Li, Jin-Chen, Wu, Hai-Xia & Song, Jia-Yu, 2023, Two new Phyllachora species in Southwest China, Phytotaxa 578 (3), pp. 275-285 : 283

Key to species of Phyllachora recorded in China (2009–2022)

1. Parasitic on eudicots ...................................................................................................................................................... P. hainanensis

1. Parasitic on monocots.........................................................................................................................................................................2

2. Parasitic on bamboo plants.................................................................................................................................................................3

2. Parasitic on graminicolous plants.......................................................................................................................................................4

3. Parasitic on Phyllostachys sp. ....................................................................................................................................... P. heteroclada

3. Parasitic on Dendrocalamus sp. ........................................................................................................................................................5

4. Stromata on the upper leaf surface ................................................................................................................................ P. isachnicola

4. Stromata on both sides of the leaf ......................................................................................................................................................6

5. Parasitic on Dendrocalamus membranaceus ....................................................................................... P. dendrocalami-membranacei

5. Parasitic on Dendrocalamus hamiltonii ............................................................................................ P. dendrocalami-hamiltoniicola

6. Stromata surrounded by a pale yellow halo ................................................................................................................ P. jianfengensis

6. Stromata not surrounded by a pale yellow halo .................................................................................................................................7

7. Stromata shiny black ..........................................................................................................................................................................8

7. Stromata black ....................................................................................................................................................................................9

8. Ascospores with a central concave depression................................................................................................................ P. panicicola

8. Ascospores with no central concave depression ..............................................................................................................................10

9. Parasitic on Cenchrus sp. ................................................................................................................................................................11

9. Parasitic on other graminicolous plants............................................................................................................................................12

10. Parasitic on Sphaerocaryum sp. .................................................................................................................................. P. sphaerocaryi

10. Parasitic on Chloris sp. ....................................................................................................................................................... P. virgatae

11. Asci <100 µm, ascospores <12 µm .............................................................................................................................. P. flaccidudis

11. Asci> 100 µm, ascospores> 12 µm ............................................................................................................................... P. sandiensis

12. Ascospores oval to ellipse .................................................................................................................................................... P. jiaensis

12. Ascospores tear-shaped ....................................................................................................................................................................13

13. Parasitic on Chrysopogon aciculatus ........................................................................................................................... P. xinpingensis

13. Parasitic on Arundinella setosa ................................................................................................................................ P. yuanjiangensis