Sedum laxum subsp. heckneri (M.Peck) R.T.Clausen, 1942 6% complete

No common name

Clausen RT (1942) Studies in the Crassulaceae-III. Sedum, Subgenus Gormania, Section Eugormania. Bulletin of The Torrey Botanical Club 69: 27-40. doi: 10.2307/2481519.