Oxneriaria, S. Y. KONDR. & LOKOS, S. Y. KONDR. & LOKOS

Zulfiqar, Rizwana, Asghar, Hafiza Simab & Khalid, Abdul Nasir, 2023, New species of genus Oxneriaria S. Y. Kondr. & Lőkös (lichenized Ascomycota, Megasporaceae) from Khyber Pakhtunkhwa, Pakistan, Cryptogamie, Mycologie 44 (8), pp. 109-116 : 114

KEY TO WORLDWIDE GENUS OXneRiaRia S.Y. KONDR. & LŐKÖS

1. Thallus zonate ............................................................................................................................................. 2

— Thallus rimose-areolate/verrucose ................................................................................................................ 3

2. Thallus whitish grey to grey with brownish tinge, prothallus present, hymenium length unknown, ascospores 13.6-[17.1]-22.6 × 7.9-[9.6]-12.4 µm ....................................... O. rivulicola (H.Magn.) S.Y.Kondr. & Lőkös

3. Apothecia lecanorine, marginally elongated areoles ..................................................................................... 4

— Apothecia poriform/aspicilioid, marginally non-elongated areoles ............................................................... 5

4. Thallus whitish grey with brownish tinge, prothallus absent, hymenium 190-230 µm tall, ascospores 15-21 × 9-13 µm .............................................................................. O. insignis R.Zulfiqar & Khalid , sp. nov.

— Thallus whitish, prothallus present, hymenium 90-100 µm tall, ascospores 14-17 × 9-13 µm ......................... ................................................................................................... O. hayrenii (H.Magn.) S.Y.Kondr. & Lőkös

5. Apothecia smaller ........................................................................................................................................ 6

— Apothecia larger ........................................................................................................................................ 15

6. Secondary metabolites absent ...................................................................................................................... 7

— Secondary metabolites present ..................................................................................................................... 8

7. Thallus whitish grey to grey, prothallus absent, hymenium 130-160 µm tall, ascospores 20-26 × 10-14 µm .... .................................................................................... O. iqbalii R.Zulfiqar, H.S.Asghar, K.Habib & Khalid

— Thallus grey-white to pale blue-grey, prothallus present, hymenium 100-115 µm tall, ascospores 15-22 × 9-12 µm ......................................................................... O. permutata (Zahlbr.) S.Y.Kondr. & Lőkös

8. Conidia absent ............................................................................................................................................ 9

— Conidia present ......................................................................................................................................... 10

9. Thallus whitish, prothallus indistinct/absent, hymenium length unknown, ascospores 14.7-[17.9]-21.5 × 9.0- [11.1]-12.4 µm .................................................................................. O. virginea (Hue) S.Y.Kondr. & Lőkös

10. Conidia shorter ......................................................................................................................................... 11

— Conodia larger .......................................................................................................................................... 14

11. Paraphyses simple ...................................................................................................................................... 12

— Paraphyses submoniliform ......................................................................................................................... 13

12. Thallus off-white to whitish grey or pale-grey, prothallus absent, hymenium 100-150 µm tall, ascospores 15-20 × 9-12 µm ................................................................... O. kohistaniensis R.Zulfiqar, K.Habib & Khalid

13. Thallus whitish grey, grey to blue-grey, prothallus present, hymenium 70-80 µm tall, ascospores 12-17 × 7.5-9 µm ...................................................................... O. verruculosa (Kremp.) S.Y.Kondr. & Lőkös

— Thallus brown to dark greenish-grey, prothallus present, hymenium height, ascospores 13.6-[15.7]-19.2 × 7.9- [8.9]-11.9 µm ...................................................................... O. dendroplaca (H.Magn.) S.Y.Kondr. & Lőkös

14. Thallus dark grey to greenish grey, prothallus absent, hymenium 90-100 µm tall, ascospores 20-25 × 10-15 µm ....................................................... O. immersa H.S.Asghar, R.Zulfiqar & Khalid , sp. nov.

15. Soralia present ........................................................................................................................................... 16

— Soralia absent ............................................................................................................................................ 17

16. Thallus pale to dark grey or brownish grey, prothallus present, unknown hymenium height, ascospores 13.6- [15.4]-18.1 × 9.0-[9.8]-11.3 µm ............................................ O. mashiginensis (Zahlbr.) S.Y.Kondr. & Lőkös

17. Thallus whitish grey to grey, prothallus absent, hymenium 100-155 µm tall, ascospores 10-18 × 7-10 µm ...... .................................................................................... O. pakistanica M.S.Iqbal, Usman, K.Habib & Khalid

— Thallus whitish, pale grey or grey-brown, prothallus present, hymenium 115-140 µm tall, ascospores 15-25 × 10-16 µm ....................................................................... O. supertegens (Arnold) S.Y.Kondr. & Lőkös