Round-leaved sundew (Drosera rotundifolia): traditional uses for coughs, phytochemistry, preparation, recipes and contraindications of this carnivorous plant.

German iris (Iris germanica): traditional uses, phytochemistry, how the dried and cured rhizome is prepared, safety precautions and contraindications.

Sea holly (Eryngium maritimum): traditional uses as a diuretic and expectorant, preparation methods, recipes, contraindications and safety precautions.

Sunflower (Helianthus annuus): traditional uses of the seeds, leaves and flowers, preparation methods, recipes, active compounds and allergy contraindications.

Couch grass (Elymus repens): traditional uses, parts used, preparation methods, recipes, safety, contraindications and drug interactions.