Sedum acre L.
Family: Crassulaceae
gold-moss stonecrop, wall-pepper, yellow sedum
Sedum acre image
Merel R. Black  
Etymology: Sedum: from Latin sedo, "to sit," in reference to the manner in which some species attach themselves to stones or walls
Plants: matting, perennial, 2"-4" tall forb, succulent, evergreen; stems creeping
Leaves: alternate, less than 1/4" long, broadly oval with a tapering tip, crowded and overlapping, often with dead leaves below
Flowers: yellow, 5-parted, 1/2" wide; inflorescence of 2 or more, short, branched clusters (cymes); blooms June-July
Habitat: in rocky, sandy soil
Conservation Status: Introduced - naturalized