| Villadia acuta Moran & Uhl | Accepted |  | TRO |  | 
	
		| Villadia albiflora (Hemsl.) Rose | Accepted |  | TRO |  | 
	
		| Villadia alpina (Fröd.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia andina (Ball) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia aperta Moran & C.H. Uhl | Accepted |  | TRO |  | 
	
		| Villadia aristata Moran | Accepted |  | TRO |  | 
	
		| Villadia aureistella Pino & Cieza | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia batesii (Hemsl.) Baehni & Macbride | Accepted |  | TRO |  | 
	
		| Villadia batesii var. subalpina (Fröd.) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia berillonana (Raym.-Hamet) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia calicola (B.L. Rob. & Greenm.) H. Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia chihuahuensis (S. Watson) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia cucullata Rose | Accepted |  | TRO |  | 
	
		| Villadia decipiens (Baker) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia dielsii Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia diffusa Rose | Accepted |  | TRO |  | 
	
		| Villadia dyvrandae (Raym.-Hamet) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia elongata (Rose) R.T. Clausen | Accepted |  | TRO |  | 
	
		| Villadia fusca (Hemsl.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia galeottiana (Hemsl.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia goldmanii (Rose) A. Berger | Accepted |  | TRO |  | 
	
		| Villadia grandisepala (R.T.Clausen) R.T.Clausen | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia grandyi (Raym.-Hamet) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia guatemalensis Rose | Accepted |  | TRO |  | 
	
		| Villadia hemsleyana (Rose) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia imbricata Rose | Accepted |  | TRO |  | 
	
		| Villadia incarum (Ball) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia jimulcensis G.L.Nesom | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia jurgensenii (Hemsl.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia kimnachii Pino & Cieza | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia klopfensteinii Pino & Cieza | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia laxa Moran & C.H. Uhl | Accepted |  | TRO |  | 
	
		| Villadia levis Rose | Accepted |  | TRO |  | 
	
		| Villadia mexicana (Schltdl.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia minutiflora Rose | Accepted |  | TRO |  | 
	
		| Villadia misera (Lindl.) R.T. Clausen | Accepted |  | TRO |  | 
	
		| Villadia necaxana (Fröd.) H.Jacobsen | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia nelsoni Rose | Accepted |  | TRO |  | 
	
		| Villadia painteri Rose | Accepted |  | TRO |  | 
	
		| Villadia paniculata Pino & Cieza | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia parva (Hemsl.) H. Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia parviflora Rose | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia patula Moran & C.H. Uhl | Accepted |  | TRO |  | 
	
		| Villadia platyphylla (Britton & Rose) E.Walther | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia platystyla (Fröd.) R.T.Clausen | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia pringlei Rose | Accepted |  | TRO |  | 
	
		| Villadia ramosissima Rose | Accepted |  | TRO |  | 
	
		| Villadia ramulosa (Fröd.) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia recurva Moran, Kimnach & C.H. Uhl | Accepted |  | TRO |  | 
	
		| Villadia reniformis H. Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia scopulina (Rose) Jacobsen | Accepted |  | TRO |  | 
	
		| Villadia squamulosa (S. Watson) Rose | Accepted |  | TRO |  | 
	
		| Villadia stricta Rose | Accepted |  | TRO |  | 
	
		| Villadia texana (J.G. Sm.) Rose | Synonym |  | TRO |  | 
	
		| Villadia thiedei Pino & Cieza | Unresolved |  | WCSP (in review) |  | 
	
		| Villadia virgata (Diels) Baehni & J.F. Macbr. | Accepted |  | TRO |  | 
	
		| Villadia weberbaueri (Diels) Baehni & J.F. Macbr. | Accepted |  | TRO |  |