Y.  Ogura-Tsujita, Gebauer, G., Xu, H., Fukasawa, Y., Umata, H., Tetsuka, K., Kubota, M., Schweiger, J. M. - I., Yamashita, S., Maekawa, N., Maki, M., Isshiki, S., and Yukawa, T., ?The giant mycoheterotrophic orchid Erythrorchis altissima is associated mainly with a divergent set of wood-decaying fungi?, Mol. Ecol, vol. 27, pp. 1324 - 1337, 2018.

Y. I.  Lee, Yang, C. K., and Gebauer, G., ?The importance of associations with saprotrophic non-Rhizoctonia fungi among fully mycoheterotrophic orchids is currently under-estimated: novel evidence from sub-tropical Asia?, Ann. Bot., vol. 116(3), pp. 423 - 435, 2015.

N. A.  Hynson, Schiebold, J. M. I., and Gebauer, G., ?Plant family identity distinguishes patterns of carbon and nitrogen stable isotope abundance and nitrogen concentration in mycoheterotrophic plants associated with ectomycorrhizal fungi?, Ann. Bot., vol. 118(3), pp. 467 - 479, 2016.

G.  Gebauer, Preiss, K., and Gebauer, A. C., ?Partial mycoheterotrophy ist more widespread among orchids than previously assumed?, New Phytol., vol. online first, pp. 1 - 5, 2016.

N. A.  Hynson, Madsen, T. P., Selosse, M. - A., Adam, I. K. U., Ogura-Tsujita, Y., Roy, M., and Gebauer, G., ?The Physiological Ecology of Mycoheterotrophy?, in Mycoheterotrophy - The Biology of Plants living on Fungi, Heidelberg: Springer, 2013, pp. 267-296.

K.  Preiss, Adam, I. K., and Gebauer, G., ?Irradiance governs exploitation of fungi: fine-tuning of carbon gain by two partially myco-heterotrophic orchids?, Proc. Roy. Soc. London, Ser. B, vol. 277, pp. 1333 - 1336, 2010.

H. T.  Liebel and Gebauer, G., ?Stabel isotope signatures confirm carbon and nitrogen gain through ectomycorrhizas in the ghost orchid Epipogium aphyllum Swartz?, Plant Biol., vol. 13, pp. 270 - 275, 2011.

M.  Stöckel, Meyer, C., and Gebauer, G., ?The degree of mycoheterotrophic carbon gain in green, variegated and vegetative albino individuals of Cephalanthera damasonium is related to leaf chlorophyll?, New Phytol., vol. 189, pp. 790 - 796, 2011.

V.  Merckx, Stöckel, M., Fleischmann, A., Bruns, T. D., and Gebauer, G., ?15N and 13C natural abundance of two mycoheterotrophic and a putative partially mycoheterotrophic species associated with arbuscular mycorrhizal fungi?, New Phytol., vol. 188, pp. 590 - 596, 2010.

H. R.  Liebel, Bidartondo, M. I., Preiss, K., Segreto, R., Stöckel, M., Rodda, M., and Gebauer, G., ?C and N stable isotope signatures reveal constraints to nutritional modes of orchids from the Mediterranean and Macaronesia?, Amer. J. Bot., vol. 97(6), pp. 903 - 912, 2010.

Y.  Ogura-Tsujita, Gebauer, G., Hashimoto, T., Umata, H., and Yukawa, T., ?Evidence for novel and specialized mycorrhizal parasitism: the orchid Gastrodia confusa gains carbon from saprotrophic Mycena?, Proc. Roy. Soc. London, Ser. B, Biol. Sci., vol. 277, pp. 1333 - 1336, 2009.

D. D.  Cameron, Preiss, K., Gebauer, G., and Read, D. J., ?The chlorophyll-containing orchid Corallorhiza trifida derives little carbon through photosynthesis?, New Phytologist, vol. 183, pp. 358 - 364, 2009.

K.  Zimmer, Hynson, N. A., Gebauer, G., Allen, E. B., Allen, M. F., and Read, D. J., ?Wide geographical and ecological distribution of nitrogen and carbon gains from fungi in pyroloids and monotropoids (Ericaceae) and in orchids?, New Phytol., vol. 175, pp. 166 - 175, 2007.

N. A.  Hynson, Preiss, K., Gebauer, G., and Bruns, T. D., ?Isotopic evidence of full and partial myco-heterotrophy in the plant tribe Pyroleae (Ericaceae)?, New Phytol., vol. 182, pp. 719 - 726, 2009.

K.  Zimmer, Meyer, C., and Gebauer, G., ?The ectomycorrhizal specialist orchid Corallorhiza trifida is a partial myco-heterotroph?, New Phytol., vol. 178, pp. 395 - 400, 2008.

J. - C.  Abadie, Püttsepp, Ü., Gebauer, G., Faccio, A., Bonfante, P., and Selosse, M. - A., ?Cephalanthera longifolia (Neottieae, Orchidaceae) is mixotrophic: a comparative study between green and nonphotosynthetic individuals?, Can. J. Bot., vol. 84, pp. 1462 - 1477, 2006.

M. I.  Bidartondo, Burghardt, B., Gebauer, G., Bruns, T. D., and Read, D. J., ?Changing partners in the dark: isotopic and molecular evidence of ectomycorrhizal liaisons between forest orchids and trees?, Proc. Roy. Soc. London, Ser. B, vol. 271, pp. 1799 - 1806, 2004.

T.  Julou, Burghardt, B., Gebauer, G., Berveiller, D., Damesin, C., and Selosse, M. - A., ?Mixotrophy in orchids: insights from a comparative study of green individuals and nonphotosynthetic individuals of Cephalanthera damasonium?, New Phytol., vol. 166, pp. 639 - 653, 2005.

G.  Gebauer and Meyer, M., ?15N and 13C natural abundance of autotrophic and myco-heterotrophic orchids provides insight into nitrogen and carbon gain from fungal association?, New Phytol., vol. 160, pp. 209 - 223, 2003.