Sedum acre L.
Family: Crassulaceae
gold-moss stonecrop, wall-pepper, yellow sedum
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Merel R. Black  
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Richard Bauer  
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University of Wisconsin - Madison (WIS-VP)  
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
An often-abundant weed on sandy lakeshores (especially along Lake Michigan), in sparse, sandy lawns, rock outcrops, sidewalk cracks, old limestone and quartzite quarries, gravel driveways, cobble beaches, and occasionally along trails.  

The small mounds of brilliant yellow flowers are quite attractive.  First collected in 1889.

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Richard Bauer  
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Christopher Noll  
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Aaron Carlson  
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Christopher Noll  
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Merel R. Black  
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Michael Clayton  
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Kurt Stüber  
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Botanical Illustration  
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