NB-1

Originally cited by Vöth, 1976. Aussat und Kultur von Serapias parviflora und S. orientalis. In Proceedings of the 8^th World Orchid Conference, ed. K. Senghas, pp. 351-8. Frankfurt: German Orchid Society. 

Medical yeast  5 g  Peptone  3 g  Activated charcoal  2 g  Sucrose  10 g  Raw sugar (i.e., uncleaned)  10 g  Agar  10 g

Source: Rasmussen, H. Terrestrial orchids from seed to mycotrophic plant. Cambridge University Press, Cambridge. 1995.