Exclude infraspecific names

NameSynonym ofaisortsortacctaxonomy_species_idcurrent_taxonomy_species_id
Medicago isthmocarpa (Boiss. & Balansa) E. Small  a Medicago isthmocarpa (Boiss. & Balansa) E. Small  418767 
Medicago rhytidiocarpa (Boiss. & Balansa) E. Small  a Medicago rhytidiocarpa (Boiss. & Balansa) E. Small  418773