WordNet sense 1 (low densely tufted perennial herb of Turkey having small white flowers; used as a ground cover in dry places; sometimes included in genus Matricaria):

Matricaria tchihatchewii, Tripleurospermum tchihatchewii

WordNet sense 2 (mat-forming perennial herb of Asia Minor; sometimes included in genus Matricaria):

Matricaria oreades, Tripleurospermum oreades tchihatchewii