| Pachycereus aragonii (F.A.C.Weber) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus aragonii var. palmatus (F.A.C.Weber) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus australis (K. Brandegee) P.V. Heath |
Synonym |
 |
TRO |
|
| Pachycereus calvus (Engelm. ex J.M.Coult.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus chrysomallus (Hemsl.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus columna-trajani (Karw. ex Pfeiff.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus foetidus (T.MacDoug. & Miranda) P.V.Heath |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus fulviceps (F.A.C.Weber ex K.Schum.) D.R.Hunt |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus gatesii (M.E.Jones) D.R.Hunt |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus gaumeri Britton & Rose |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus gibbosus P.V. Heath |
Unresolved |
 |
TRO |
|
| Pachycereus gigas (Backeb.) Backeb. |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus grandis Rose |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus grandis var. gigas Backeb. |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus hollianus (F.A.C.Weber ex J.M.Coult.) Buxb. |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus lepidanthus (Eichlam) Britton & Rose |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus marginatus (DC.) Britton & Rose |
Synonym |
 |
TRO |
|
| Pachycereus marginatus var. gemmatus (Otto ex Pfeiff.) P.V.Heath |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus marginatus f. gibbosus (J.A.Purpus) P.V.Heath |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus marginatus var. oaxacensis (Backeb.) P.V.Heath |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus militaris (Audot) D.R.Hunt |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus militaris (Audot) P.V. Heath |
Synonym |
 |
TRO |
|
| Pachycereus orcuttii (K.Brandegee) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus pecten-aboriginum (Engelm. ex S.Watson) Britton & Rose |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus pecten-aboriginum subsp. tehuantepecanus (T.MacDoug. & Bravo) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus pringlei (S.Watson) Britton & Rose |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus pringlei f. calvus (Engelm. ex J.M.Coult.) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus pringlei f. constrictus P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus pringlei f. cristatus P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus pringlei f. gibbosus P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus queretarensis (F.A.C.Weber ex Mathes.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus ruficeps (F.A.C.Weber) Britton & Rose |
Unresolved |
 |
WCSP (in review) |
|
| Pachycereus schottii (Engelm.) D.R.Hunt |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii var. australis (K.Brandegee) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii f. mieckleyanus (Weing.) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii f. monstrosus (H.E.Gates) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii f. sargentianus (Orcutt) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii f. spiralis (A.M.Carter) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schottii var. tenuis (G.E.Linds.) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus schumannii (Mathsson ex K.Schum) C.Nelson |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus tehuantepecanus T.MacDoug. & Bravo |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus tepamo Gama & S.Arias |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus tetetzo (F.A.C.Weber ex J.M.Coult.) Ochot. |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus titan (Engelm. ex J.M.Coult.) Britton & Rose |
Synonym |
 |
WCSP (in review) |
|
| Pachycereus weberi (J.M.Coult.) Backeb. |
Accepted |
 |
WCSP (in review) |
|
| Pachycereus weberi var. gigas (Backeb.) P.V.Heath |
Synonym |
 |
WCSP (in review) |
|