- Popular name(s): Thyme-Leaf Sandwort, Thyme-Leaved Sandwort
- Botanical name: Arenaria serpyllifolia
- Family: Caryophyllaceae
- Origin: Asia, Europe, North Africa, as a naturalized species Thyme-Leaf Sandwort can also be found in Australia, North America and some South American countries.
- Height: 5 to 30 centimetres
- USDA zone: 5 (-23 °C)