Coniarthonia, Grube, 2001

Aptroot, André, Ertz, Damien, Silva, Jeanne Dos Reis, Grube, Martin & Cáceres, Marcela Eugenia Da Silva, 2015, The phylogenetic position of Coniarthonia and the transfer of Cryptothecia miniata to Myriostigma (Arthoniaceae, lichenized ascomycetes), Phytotaxa 218 (2), pp. 128-136 : 134

Key to the species of Coniarthonia

1. Ascospores muriform, 30–40 × 14–19 μm......................................................................... C. gregarina (Willey) Grube (2001: 496)

- Ascospores transversely septate.........................................................................................................................................................2

2. Ascospores 1-septate..........................................................................................................................................................................3

- Ascospores 3–7-septate......................................................................................................................................................................9

3. Ascomata mustard yellow, soralium-like; ascospores 20–28 × 7–11 μm ............................................................................................ ....................................................................................... C. aurata E.L. Lima, M. Cáceres & Aptroot (in Menezes et al. 2013: 612)

- Ascomata pink or red..........................................................................................................................................................................4

4. Ascomata pink; ascospores 13–16 × 5.5–6.5 μm ................................................................................................................................. ............................................................................................................. C. rosea Aptroot & M. Cáceres (in Cáceres et al. 2014: 578)

- Ascomata red......................................................................................................................................................................................5

5. Ascospores over 15 μm long..............................................................................................................................................................6

- Ascospores under 15 μm long............................................................................................................................................................7

6. Ascospores 15–18 × 6.5–7.5 μm ................................................................................................. C. erythrocarpa Grube (2001: 495)

- Ascospores 63–76 × 20–26 μm ............................................................................................................................................................ ............................................................................................................ C. megaspora Aptroot, Mendonça & M. Cáceres (see above)

7. Hypothecium brown; ascospores 9–14 × 4–5 μm .............................. C. eos (Grube, G. Thor & Frisch) Aptroot & Ertz (see above)

- Hypothecium pale to hyaline..............................................................................................................................................................8

8. Ascospores 9–11 × 3.5–5 μm .................................................................................. C. pulcherrima (Müll. Arg.) Grube (2001: 495)

- Ascospores 11.5–14.5 × 3.5–5 μm ............................................. C. kermesina (R.C. Harris, E. Tripp & Lendemer) Aptroot & Ertz

9. Ascospores 3-septate, 22–38 × 11–16 μm................................................................... C. wilmsiana (Müll. Arg.) Grube (2001: 501)

- Ascospores 5–7-septate....................................................................................................................................................................10

10. Ascospores 5-septate, 27–36 × 10–13 μm.................................................................................... C. haematodea Grube (2001: 499)

- Ascospores 6–7-septate, 34–40 × 13–17 μm........................................................................... C. pyrrhula (Nyl.) Grube (2001: 499)