R. buchtienii, and R. buchenii seem to be the same
plant with different spelling. As at Apl 2011 have not been able to
check any publications to prove either way.
Detail in B&R IV 247. 1923
Rhipsalis bucheni Behagnon (Rev. Hort. 85: 436. f. 152. 1913)
we know only from the illustration of a poor potted plant and an incomplete
Treated as L. lumbricoides fa lumbricoides by B&T