Correspondence of previous to current taxonomic system and summary of taxonomic changes enacted.

a

V. albo-atrum is more closely related to V. tricorpus than to V. dahliae, whereas V. alfalfae and V. nonalfalfae are closely related to V. dahliae (Figure 1).

b

V. zaregamsianum was referred to as V. tricorpus at least once [73], but differs morphologically.