you do a selection so that it includes a species with 0 accessions.
you expand the species clicking on its triangle, the triangle disappears,
you add an accession, the triangle does not come back (but the accession count is updated).
you need repeat the selection and re-expand as desired.
you do a selection so that it includes a species with 0 accessions. you expand the species clicking on its triangle, the triangle disappears, you add an accession, the triangle does not come back (but the accession count is updated).
you need repeat the selection and re-expand as desired.