Robert Peter

Ludwigia polycarpa, common names many-fruited false-loosestrife and false loosestrife seedbox, is a plant found in North America. It is listed as a special concern and believed extirpated in Connecticut, and as endangered in Massachusetts, Pennsylvania and Vermont.

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Sabulina fontinalis, commonly called American water starwort or Kentucky starwort, is a flowering plant in the family Caryophyllaceae. It is a very rare species, endemic to the Nashville Basin of Tennessee, the Kentucky River Pallisades of Kentucky, and in northern Alabama. It is found in wet limestone areas, often on cliffs or ledges where water seeps over the rocks. Sabulina fontinalis is a winter annual forming dense colonies, which produce very small green flowers in the spring. It has been taxonomically difficult to place, sometimes being included in the genera Stellaria, Sagina,