| Escobaria a - f | Escobaria albicolumnaria, dasyacantha ssp. dasyacantha, dasyacantha ssp. chaffeyi, duncanii |
| Escobaria g - n | Escobaria guadalupensis, hesteri, laredoi, minima, missouriensis ssp. missouriensis |
| Escobaria o - z | Escobaria pottsiana, tuberculosa, vivipara |