Provenance and voucher number of the populations here studied, together with ploidy level, chromosome number, holoploid and monoploid genome size and internal standard used.

All genome sizes are first estimates in the taxa concerned with the exception of M. chamomilla var. chamomilla, T. callosum, T. elongatum, T. maritimum, T. melanolepis, T. oreades var. oreades, T. oreades var. tchihatchewii, T. repens and T. sevanense. (1) Information of locality and collection date.