SUMMARY OF TAXON PAIRS AND CLUSTERS

2. H. anthochroum (olivaceous stromatal pigments) vs. H. rubiginosum (orangish stromatal pigments) vs. H. lividipigmentum (purplish stromatal pigments).

3. H. anthochroum (inconspicuous perispore ornamentation, large conidia) vs. H. duranii (conspicuous perispore ornamentation, small conidia).

4. H. anthochroum (Nodulisporium-like anamorph) vs. H. fuscum (Virgariella-like anamorph, high host specificity).

5. H. cinnabarinum (indehiscent perispores, nearly equilateral ascospores) vs. H. crocopeplum (dehiscent perispores, inequilateral ascospores).

6. H. crocopeplum (Virgariella-like anamorph, dehiscent perispores) vs. H. subcrocopeplum (Nodulisporium-like anamorph).

7. H. duranii (small ascospores and conidia) vs. H. subrutilum (large ascospores and conidia).

8. H. fendleri (inconspicuous perispore ornamentation) vs. H. retpela (conspicuous perispore ornamentation).

9. H. fuscopurpureum (equilateral, pyriform ascospores) vs. H. fuscum (inequilateral, ellipsoid ascospores).

10. H. fuscum (Virgariella-like anamorph) vs. H. subrutilum (Nodulisporium-like anamorph).

11. H. fuscum (small conidia) vs. H. macrocarpum (large conidia).

12. H. jecorinum (Periconiella-like anamorph, known only from tropical America) vs. H. subgilvum (Nodulisporium-like anamorph, widespread)

13. H. lividicolor (Sporothrix-like anamorph, from Taiwan) vs. H. lividipigmentum (Nodulisporium-like anamorph, from tropical America)

14. H. monticulosum (dehiscent perispores, spore-length germ slit) vs. H. submonticulosum (indehiscent or, less frequently, dehiscent, less than spore-length germ slit)

15. H. notatum (large ascospores, reduced or no ascus apical rings) vs. H. perforatum (small ascospores, distinct ascus apical rings).

16. H. pelliculosum (conspicuous perispore ornamentation) vs. H. rubiginosum (inconspicuous perispore ornamentation).

17. H. rubiginosum (inequilateral ascospores) vs. H. cf. rubiginosum on Salix (equilateral ascospores) [see NOTES of H. rubiginosum]

18. H. rubiginosum (Nodulisporium-like anamorph) vs. H. cf. rubiginosum on other substrates (Virgariella-like anamorph) [see NOTES of H. rubiginosum]

19. H. subgilvum var. microsporum (Nodulisporium-like anamorph, from Asia) vs. H. ticinense (Virgariella-like anamorph, from Europe).

20. H. subrutiloides (indehiscent perispores, nearly equilateral ascospores) vs. H. subrutilum (dehiscent perispores, inequilateral ascospores).

21. H. atroroseum (Nodulisporium-like anamorph) vs. H. stygium (Periconiella-like anamorph).

22. H. leptascum (olivaceous stromatal pigments) vs. H. urceolatum (purplish stromatal pigments).

23. H. nitens (olivaceous stromatal pigments) vs. H. purpureonitens (purplish stromatal pigments).

The following paired taxa differ mainly in ascospore size ranges.

24. H. aeruginosum vs. H. aeruginosum var. macrosporum

25. H. carneum vs. H. vogesiacum

26. H. crocopeplum vs. H. julianii

27. H. fragiforme vs. H. howeianum

28. H. monticulosum vs. H. rubigineoareolatum

29. H. rubiginosum vs. H. rubiginosum var. microsporum

30. H. leptascum vs. H. leptascum var. macrosporum

31. H. multiforme vs. H. multiforme var. alaskense

32. H. thouarsianum vs. H. thouarsianum var. macrosporum