Plants and humans

right|thumb|Weeds growing in the cracks of a concrete staircase (Epilobium roseum, [[Chelidonium majus, Oxalis corniculata, Plantago major)]]

plants or derivatives used to treat medical conditions in humans or animals

human tendency to ignore plants

notion of rights to which plants may be entitled

overview about plants in space

uses of plants by humans

thumb|right|Lampenflora in the Kubacher Kristallhöhle thumb|Moss in the UNESCO World Heritage Cave Hohler Fels