You searched for: Place Mexico Remove constraint Place: Mexico Place Oaxaca Remove constraint Place: Oaxaca Place Valley of the Yelagago River, ca. 20 mi n.e. of Villa Alta. Along trail between Villa Alta and Hallberg ranch, on ridge entering Yelagago valley, from peak of ridge (La Cumbre) to the spring (El Pozo) where elev. Drops sharply into valley. Remove constraint Place: Valley of the Yelagago River, ca. 20 mi n.e. of Villa Alta. Along trail between Villa Alta and Hallberg ranch, on ridge entering Yelagago valley, from peak of ridge (La Cumbre) to the spring (El Pozo) where elev. Drops sharply into valley. Topic Hymenophyllales Remove constraint Topic: Hymenophyllales