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Table 2 Summary of characteristics of the four marker datasets used to conduct molecular phylogenetic analyses. All analyses were run from datasets consisting of the living cultures of Colletotrichum strains, as listed in Table 1.

From: Colletotrichum caudatum s.l. is a species complex

General dataset parameters Apn2 ITS Matl Sod2 All data
DNA characters 798 401 1297 519 3015
Coded gap characters 2 7 61 13 84
Total aligned characters 800 408 1358 532 3098
Constant characters 494 276 533 306 1609
Parsimony informative characters 275 54 691 189 1209
PHI tests for recombination 1      
All C. caudatum s.l. isolates YES NO YES YES  
  p = 0.0086 p = 0.2487 p = 0 p = 0  
C. caudatum s.l. isolates, excluding incongruent taxa2 YES p = 0.0055 NO p = 1.0 NO p = 1.0 NO p = 1.0  
Delta score 3 0.164 0.067 0.188 0.256  
Q-residual score 3 0.022 0.005 0.08 0.122  
  1. 1Pairwise homoplasy index (PHI) test performed using a dataset composed of Colletotrichum in the Caudatum subaggregate: C. alcornii, C. baltimorense, C. caudatum, C. somersetense, C. zoysiae, and isolates CBS112172 and MAFF 305700.
  2. 2Incongruent taxa = CBS113172 and NY07-CC04.
  3. 3Where delta score and Q-residual score=0 when distances between taxa exactly fit a tree. Scores ranging from 0 (tree-like) to 1 (non-treelike).