You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Mexico Remove constraint Place: Mexico Place San Luis Potosí Remove constraint Place: San Luis Potosí Place southernmost tip of Sierra Tanchipa or Boca del Abra Remove constraint Place: southernmost tip of Sierra Tanchipa or Boca del Abra Topic Croton Remove constraint Topic: Croton Topic Euphorbiaceae Remove constraint Topic: Euphorbiaceae Topic Magnoliopsida Remove constraint Topic: Magnoliopsida