title: Defense on the rocks: low monoterpenoid levels in plants on pillars without mammalian herbivores.
mesh_terms: D000818:Animals; D000081005:Cyclohexane Monoterpenes; D017753:Ecosystem; D004777:Environment; D008322:Mammals; D008610:Menthol / Q000302:isolation & purification; D039821:Monoterpenes / Q000032:analysis* / Q000302:isolation & purification / Q000633:toxicity; D018515:Plant Leaves / Q000737:chemistry; D046930:Thymus Plant / Q000737:chemistry*
chemical_list: D000081005:Cyclohexane Monoterpenes; D039821:Monoterpenes; D008610:Menthol; C039648:pulegone; C019466:menthone