| Neolloydia beguinii (F.A.C. Weber ex K. Schum.) Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia booleana (G.S.Hinton) Doweld |
Unresolved |
 |
WCSP (in review) |
| Neolloydia ceratites (Quehl) Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia clavata (Scheidw.) Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia conoidea (DC.) Britton & Rose |
Accepted |
 |
TRO |
| Neolloydia durangensis (Ruenge) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia erectocentra (J.M. Coult.) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia erectocentra var. acunensis (W.T. Marshall) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia gautii L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia gielsdorfiana (Werderm.) F.M.Knuth |
Unresolved |
 |
WCSP (in review) |
| Neolloydia glassii Doweld |
Synonym |
 |
TRO |
| Neolloydia grandiflora (Otto) F.M.Knuth |
Unresolved |
 |
WCSP (in review) |
| Neolloydia horripila (Lem.) Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia intertexta (Engelm.) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia intertexta var. dasyacantha (Engelm.) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia johnsonii (Parry ex Engelm.) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia knuthiana (Boed.) F.M. Knuth |
Synonym |
 |
TRO |
| Neolloydia knuthiana var. ysabelae (Schlange) A.T. Powell |
Synonym |
 |
TRO |
| Neolloydia krainziana (G. Frank) A.T. Powell |
Synonym |
 |
TRO |
| Neolloydia laui (Glass & R.A.Foster) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia lophophoroides (Werderm.) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia mandragora (Fric ex A.Berger) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia mariposensis (Hester) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia matehualensis Backeb. |
Accepted |
 |
TRO |
| Neolloydia mcdowellii (Rebut ex Quehl) H.E.Moore |
Unresolved |
 |
WCSP (in review) |
| Neolloydia odonta (Boed.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Neolloydia odorata (Boed.) Backeb. |
Synonym |
 |
TRO |
| Neolloydia orcuttii Rose ex Orcutt |
Synonym |
 |
TRO |
| Neolloydia pailana (Halda & Panar.) Doweld |
Synonym |
 |
TRO |
| Neolloydia pilispina (J.A. Purpus) Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia pseudomacrochele (Backeb.) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia pseudopectinata (Backeb.) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia pulleineana Backeb. |
Synonym |
 |
TRO |
| Neolloydia roseana (Boed.) F.M. Knuth |
Synonym |
 |
TRO |
| Neolloydia saueri (Boed.) F.M. Knuth |
Synonym |
 |
TRO |
| Neolloydia schmiedickeana (Boed.) E.F. Anderson |
Synonym |
 |
TRO |
| Neolloydia schmiedickeana var. dickisoniae (Glass & R.A. Foster) E.F. Anderson |
Synonym |
 |
TRO |
| Neolloydia smithii (Muehlenpf.) Kladiwa & Fittkau |
Accepted |
 |
TRO |
| Neolloydia smithii var. beguinii (F.A.C. Weber ex K. Schum.) Kladiwa & Fittkau |
Synonym |
 |
TRO |
| Neolloydia stuetzleri Orcutt |
Unresolved |
 |
WCSP (in review) |
| Neolloydia subterranea (Backeb.) H.E.Moore |
Unresolved |
 |
WCSP (in review) |
| Neolloydia texensis Britton & Rose |
Synonym |
 |
TRO |
| Neolloydia unguispina (Engelm.) L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia valdeziana (H.Moeller) E.F.Anderson |
Unresolved |
 |
WCSP (in review) |
| Neolloydia viereckii (Werderm.) F.M.Knuth |
Unresolved |
 |
WCSP (in review) |
| Neolloydia warnockii L.D. Benson |
Synonym |
 |
TRO |
| Neolloydia zaragosae (Glass & R.A.Foster) Doweld |
Unresolved |
 |
WCSP (in review) |