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Thanks for posting the CBOL proposal for fungi.
About the standards, just some days ago, I have come back to review sequences from Bremia lactuca complex. In these species, the ITS2 region have multiple repetions and the length of this region can arrived to more that 2500 bp. We have to do always the PCR in parts and usually we do not have the complete 5.8S sequence. In these cases, such as this genus/specimens, it would be possible to have in the 5.8S some NNNNN in barcode sequences?.