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Table 1 Taxonomy coverage of PTIGS sequences.

From: PTIGS-IdIt, a system for species identification by DNA sequences of the psbA-trnH intergenic spacer region

Category Families Genera Species Samples Related taxids
Angiosperms 149 644 1961 9404 3398
Dicotyledons 108 451 1367 7468 71240
Monocotyledons 30 146 472 1603 4447
Ferns 12 19 42 124 3290
Gymnosperm 8 16 65 206 3312, 58020, 58021, 58022
Mosses 34 46 72 287 3208
  1. The number in each cell represents the number of taxonomy units at the corresponding taxonomy levels for the particular group used in our analyses. Essentially they correspond to the taxonomy units whose species having at least two sequences. The sequences can be downloaded from the web server.