Tree figure: 1a_0.2_ns5b  (ML, FastTree GTR)
213 sequences; 192 clustered, 21 singletons

Cluster  N   colour
      1  108   #e41a1c
      2   48   #377eb8
      3   13   #4daf4a
      4   12   #984ea3
      5    9   #ff7f00
      6    2   #a65628
  single  21   #999999
