Soapwort (Saponaria officinalis): learn about traditional uses, saponins, external-use recipes, precautions for internal use and the risk of the seeds.

Star anise (Illicium verum): names, traditional uses, phytochemistry, preparation, recipes and safety with children and the toxic Japanese species.

Dittany of Crete (Origanum dictamnus): traditional uses, active compounds, preparation methods, recipes and safety precautions for this herb endemic to Crete.

Polypody (Polypodium vulgare): learn about the traditional uses of this fern, its phytochemicals, preparation methods, recipes and safety precautions.

Lemon (Citrus × limon): names, phytochemistry, traditional uses, recipes and precautions for tooth enamel, reflux and peel phototoxicity.