A native to Europe and Asia, common periwinkle has been classified as invasive throughout much of the eastern United States for the same reasons that gardeners typically favor the plant.

Of these three periwinkles, the most common - the common periwinkle - is the most numerous and the only non-native. The status of these periwinkles as either non-native or native has been debated ...

Of these three periwinkles, the most common - the common periwinkle - is the most numerous and the only non-native. The status of these periwinkles as either non-native or native has been debated ...

Common periwinkle is a plant native to Europe and the Caucasus, and it tends to creep and spread densely, overtaking the land, according to the North Carolina Extension Gardener Plant Toolbox.

As the scientists discovered, the marine gastropod Littorina littorea (common periwinkle), which has very successfully colonized the Northern Atlantic shores, has found a peculiarstrategy for even ...

The common periwinkle has a purple-brown shell, with fewer color variations than the others. The rough periwinkle has deeper ridges in its shell.

Among the types of Maine periwinkles, the one that is the most common is actually called the “common” periwinkle (Littorina littorea). Despite how common it is, it is actually not native to Maine.

Vinpocetine, an ingredient found in weight loss, energy and memory supplements, could cause miscarriage or harm a fetus, the FDA says.

The one most of us know is the common periwinkle (Littorina littorea). You can find these making trails in the sand along beaches, on docksides and on intertidal rocks.