| Name |
Pronunciation |
Meaning |
| cobrensis | koh-BREN-sis | From the Spanish Cobre, meaning copper; referring to a locale near a copper mine, or the color of the plant or flower |
| conjugata | kon-juh-GAY-tuh | Joined in pairs; wedded |
| cobrense | koh-BREN-see | From the Spanish Cobre, meaning copper; referring to a locale near a copper mine, or the color of the plant or flower |
| corniger | KORN-ee-ger | Bearing horns |
| crassigibbus | krass-ih-GIB-us | Thick-humped; referring to the large humps on the ribs |
| crataegoides | krah-tee-GOY-deez | Resembling Crataegus (Hawthorn genus) |
| bulgaricum | bul-GAR-ih-kum | Of or from Bulgaria |
| kaibabensis | | Found on the Kaibab Plateau in northern Arizona |
| pachygaster | pak-ee-GAS-ter | Thick-bellied |
| Diplarrena | dy-plar-REN-uh | From the Greek diploos (double) and arrhen (male), referring to the two fertile stamens; also spelled Diplarrhena |
| conjugatus | kon-juh-GAY-tus | Joined in pairs; wedded |
| crassigibba | krass-ih-GIB-uh | Thick-humped; referring to the large humps on the ribs |