Abo = Abolbodoideae, Xyr = Xyridoideae (note - whether these subfamilies will hold up/be needed is unclear).

Bold, accepted name; italics, synonym.

AbolbodaBonpland - Abo
Achlyphila Maguire & Wurdack - Abo
Aratitiyopea Steyermark - Abo
Kotsjiletti Adanson = Xyris L. - Xyr
Orectanthe Maguire - Abo
Ramotha Rafinesque = Xyris L. - Xyr
Schismaxon Steudel = Xyris L. - Xyr
Synoliga Rafinesque = Xyris L. - Xyr
Xuris Adanson = Xyris L. - Xyr
Xyris L. - Xyr
Xyroides Thouars = Xyris L. - Xyr

See Kral (1998) for genera.