Stellaria calycantha
 Stellaria calycantha is a species of flowering plant in the pink family known by the common name northern starwort. It is native to western North America from Alaska and northwestern Canada to California and New Mexico as well as eastern Russia. It occurs in subalpine and alpine climates in many types of moist shady habitat. It is a rhizomatous perennial herb producing a prostrate to erect stem up to 25 centimeters long taking a clumpy form.