- Cerrillos de Díaz; Alto Lucero; Roca Andrea1
- Cerro al NE de Coyame, lado NE de Lago Catemaco1
- Cerro del Vigia1
- Chichicastle1
- Chiconquiaco1
- Chilapilla; Peak of Orizaba1
- Cima del Cerro del Borrego, entre Planta del Pie and Buenavista1
- Coatepec1
- Coatzacoalcos; Coatzacoalcos1
- Coatzacoalcos; Coatzacoalcos; isthmus of Tehuantepec1
- Colonia Francisco López Lara; San Andrés Tuxtla; on the hwy to Veracruz1
- Colonia la Cuesta; 9 km SW of Nogales, on the hwy to Tehuacán, along roadside1
- Confre de Perote; north slopes of Northern peak, south of Las Vigas on microwave tower road. Ca. 6 mi (10 km) by road above Las Vigas.1
- Congregación de Tuxpango, on the lower slopes of El Cerro de Tuxpango, Ixtaczotitlan, 10 km. southeast of Orizaba1
- Corral Falso; Corral Falso; municipio de Dos ríos1
- Corral Falso; municipio Dos Ríos1
- Cuitláhuac; Cuitlahuac1
- De la carr. Tampico–Ebano, desv. a Tancoco, a 4 km1
- Don Arcadio; 0.3 mi NE on a dirt road to Al Maymael from its jct. With Mex 125 in Mata Obscura, NE of Huatusco1
- Dos Hermanos; 400 m al NE de Tuxtlacoaya, Las Vistas1