1. Apothecia growing in coniferous or mixed forests in temperate regions	2
1. Apothecia growing in Quercus forests or tropical montane cloud forests	8
2. Apothecia growing in coniferous forests	3
2. Apothecia growing in mixed forests	5
3. Apothecia less than 10 mm with margin crenate, color salmon grown under Cupressus lusitanica	T. cupressicola
3. Apothecia larger than 10 mm	4
4. Apothecia associated with Pinus cembroides, excipule light brown	T. pseudobronca
4. Apothecia associated with Abies religiosa, excipule greyish brown warty	T. davidii
5. Apothecia with external surface warty	6
5. Apothecia with external surface asperulate	7
6. Apothecia color pale orange margin entire, involute to crenate, ascospores 16–22 × 9–12 (–13) µm, ellipsoid-oblong	T. poblana
6. Apothecia color greyish orange with margin crenate, ascospores 17–21 (–22) × 11–14 (–15) µm, broadly ellipsoid	T. texcocana
7. Apothecia substipitate, ascospores 20–24 × 11–13 µm, oblong with blunt ends	T. durangensis
7. Apothecia sessile, ascospores (15–) 17–25 (–26) × 9–13 (–14) µm, ellipsoid to oblong with acute ends	T. americupularis
8. Apothecia growing in tropical montane cloud forest, ascospores 19–25 (–26) × 10–12 µm, subcylindrical	T. mesophila
8. Apothecia growing in Quercus forests, ascospores ellipsoid	9
9. Apothecia larger than 30 mm, margin entire to crenate	T. miquihuanensis
9. Apothecia small, less than 25 mm, margin crenate to eroded	10
10. Apothecia substipitate, color pale orange, margin involute crenate, associated with Quercus rysophylla and Q. polymorpha	T. victoriana
10. Apothecia sessile, color orange-gray to whitish, margin eroded, associated with several species of Quercus	T. mexicana