| species | acidus (Phil.) K. Schum. * | | |
| species | aethiops Haw. * | 2 | |
| species | areolatus Muehlenpf. ex K. Schum. * | | |
| species | articulatus Pfeiff. * | | |
| species | atacamensis Phil. * | | |
| species | azureus J. Parm. ex Pfeiff. * | | |
| species | baccifer (Sol.) Hemsl. * | | |
| species | baumannii Lem. * | | |
| species | berlandieri Engelm. * | | |
| species | blanckii Poselger * | | |
| species | brandegeei J.M. Coult. * | | |
| species | callicoche Galeotti ex Scheidw. * | | |
| species | chalibaeus Salm-Dyck * | | |
| species | chalybaeus Otto * | | |
| species | chichipe Gosselin * | | |
| species | chiloensis (Colla) DC. * | | |
| species | clavatus Otto & A. Dietr. * | | |
| species | coccineus (Engelm.) Engelm., nom. illeg. * | | |
| species | cochal Orcutt * | | |
| species | coerulescens Salm-Dyck * | 1 | |
| species | coquimbanus (Molina) K. Schum. * | | |
| species | costaricensis (F.A.C. Weber) A. Berger * | | |
| species | cylindricus (Lam.) Haw. * | | |
| species | dasyacanthus (Engelm.) Engelm. * | | |
| species | dautwitzii (F. Haage) Orcutt * | | |
| species | deficiens Otto & A. Dietr. * | | |
| species | eburneus Salm-Dyck * | | |
| species | eriocarpus Phil. * | | |
| species | eruca Brandegee * | | |
| species | erythrocephalus A. Berger * | | |
| species | fendleri Engelm. * | | |
| species | fulvispinus Salm-Dyck * | | |
| species | geminatus Otto ex Pfeiff. * | | |
| species | geometrizans Mart. ex Pfeiff. * | 1 | |
| species | giganteus Engelm. * | | |
| species | grandiflorus (L.) Mill. * | 1 | |
| species | griseus Haw. * | | |
| species | hildmannianus K. Schum. * | 2 | |
| species | hondurensis K. Schum. * | | |
| species | hookeri Link & Otto * | | |
| species | hyalacanthus K. Schum. * | | |
| species | imbricatus Haw. * | | |
| species | iquiquensis K. Schum. * | | |
| species | kunthianus hort. ex Salm-Dyck * | | |
| species | lanatus (Kunth) DC. * | 1 | |
| species | landbeckii Phil. * | | |
| species | latifrons Zucc. ex Pfeiff. * | | |
| species | leucanthus (Gillies ex Salm-Dyck) Pfeiff. * | | |
| species | longispinus Salm-Dyck ex Otto & Dietr. * | | |
| species | mamillatus Engelm. ex J.M. Coult. * | | |
| species | marginatus DC. * | | |
| species | marginatus Salm-Dyck, nom. illeg. * | | |
| species | mixtecensis J.A. Purpus * | | |
| species | mojavensis Engelm. & J.M. Bigelow * | | |
| species | multiplex Pfeiff. * | | |
| species | neonesioticus (F. Ritter) P.J. Braun * | | |
| species | oxygonus (Link) Otto * | | |
| species | oxypetalus DC. * | | |
| species | panoploeatus Monv. * | | |
| species | parviflorus K. Schum. * | | |
| species | pasacana (F.A.C. Weber ex Rümpler) F.A.C. Weber * | | |
| species | pecten-aboriginum Engelm. ex S. Watson * | | |
| species | pectinatus (Scheidw.) Engelm. * | 1 | |
| species | pepinianus Lem. ex Salm-Dyck * | | |
| species | peruvianus (L.) Mill. * | 1 | |
| species | phyllanthus (L.) DC. * | | |
| species | poselgerianus (Linke) A. Berger * | | |
| species | rhodacanthus (Salm-Dyck) F.A.C. Weber * | | |
| species | sanborgianus J.M. Coult. * | | |
| species | schottii Engelm. * | | |
| species | senilis (Haw.) DC. * | | |
| species | sericatus Backeb. * | | |
| species | silvestrii Speg. * | 1 | |
| species | spachianus Lem. * | | |
| species | strausii (Heese) Vaupel, orth. var. * | | |
| species | tarijensis Vaupel * | | |
| species | terscheckii Parm. ex Pfeiff. * | | |
| species | thurberi Engelm. * | | |
| species | tricostatus Gosselin * | | |
| species | triglochidiatus (Engelm.) Engelm. * | | |
| species | trigonus Haw. * | 2 | |
| species | tunicatus (Lehm.) Link & Otto, nom. inval. * | | |
| species | tupizensis Vaupel * | | |
| species | turbinatus Pfeiff. * | | |
| species | undatus Haw. * | | |
| species | uruguayanus R. Kiesling * | | |
| species | xanthocarpus K. Schum. * | | |