Cruciata glabra

Cruciata glabra, smooth crosswort, is a species of flowering plant in the family Rubiaceae, native to Morocco, Algeria, southern, central and eastern Europe, the Caucasus, Kazakhstan, the Altai, and western Siberia. It is often found in beech (Fagus sylvatica) forests.

Subspecies

The following subspecies are currently accepted:

• Cruciata glabra subsp. balcanica <small>(Ehrend.) Soó</small>
• Cruciata glabra subsp. glabra
• Cruciata glabra subsp. hirticaulis <small>(Beck) Natali & Jeanm.</small>
• Cruciata glabra subsp. krylovii <small>(Iljin) E.G.Naumova</small>

References