You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Along the Rio Hondo 6.5 km north of Jitotol along road to Pichucalco. Remove constraint Place: Along the Rio Hondo 6.5 km north of Jitotol along road to Pichucalco. Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Topic Equisetales Remove constraint Topic: Equisetales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida