The fossil seeds are similar to the seeds of "Mentha aquatica" and "Mentha arvensis". The World Checklist of Selected Plant Families sinks both scientific names into "Mentha aquatica". The larvae feed on "Mentha aquatica" and "Lycopus europaeus". "Mentha aquatica" was first described by Carl Linnaeus in 1753. Dutch rush ("Scirpus radicans", "Schoenoplectus lacustris"), and brook mint ("Mentha aquatica"), etc. Examples of reeds present include "typha latifolia", "phragmites australis", "mentha aquatica", and "lythrum salicaria".