R. x vanhoeffeni

R. x vanhoeffeni. (Ledodendron vanhoeffeni) fra Sønderstrømfjord. Dyrket i Botanisk Have KBH. En hybrid mellem R. subarticum / R. tomentosum og R. lapponicum.
Hans Eiberg

R. x vanhoeffeni is refound in Greenland
R. vanhoeffeni is refound in Greenland. Notes on history, distribution, ecology, morphology, and fertility are given. Its hybrid origin is established and consequently a new combination, x Ledodendron vanhoeffen / R. subarticum (Ledum palustre ssp. decumbens) x R. lapponicum), is made.

Bengt Kihlmann:Hybrids Between Ledums and Lepidote Rhododendrons