References
- Cozzolino S, Schiestl FP, Müller A, De Castro O, Nardella AM, Widmer A. 2005. Evidence for pollinator sharing in Mediterranean nectar-mimic orchids: absence of premating barriers?. Proc Royal Soc B: Biol Sci. 272:1271–1278.
- Cozzolino S, Widmer A. 2005. Orchid diversity: an evolutionary consequence of deception?. Trends Ecol Evol. 20:487–494.
- Hapeman JR, Inoue K. 1997. Plant-pollinator interactions and floral radiation in Platanthera (Orchidaceae). In: Givnish TJ, Systma KJ. editor. Molecular evolution and adaptive radiation, Cambridge, UK: Cambridge University Press; p. 433–454.
- Inoue K. 1983. Systematics of the genus Platanthera (Orchidaceae) in Japan and adjacent regions with special reference to pollination. J Fac Sci Univ Tokyo, Sect III. 13:285–374.
- Inoue K. 1985. Reproductive biology of two platantherans (Orchidaceae) in the island of Hachijo. Jap J Ecol. 35:77–83.
- Karasawa K. 2003. Species Orchidacearum. Tokyo: Japan Broadcasting Publishing.
- Maad J, Nilsson LA. 2004. On the mechanism of floral shifts in speciation: gained pollination efficiency from tongue- to eye-attachment of pollinia in Platanthera (Orchidaceae). Biol J Linn Soc. 83:481–495.
- Micheneau C, Fournel J, Humeau L, Pailler T. 2008. Orchid-bird interactions: a case study from Angraecum (Vandeae, Angraecinae) and Zosterops (white-eyes, Zosteropidae) on Reunion Island. Botany. 86:1143–1151.
- Micheneau C, Fournel J, Warren BH, Hugel S, Gauvin-Bialecki A, Pailler T, Strasberg D, Chase MW. 2010. Orthoptera, a new order of pollinator. Ann Bot. 105:355–364.
- Nakase Y, Kato M. 2012. A nocturnal Provespa wasp species as the probable pollinator of epiphytic orchid Coelogyne fimbriata Pollination by nocturnal wasps. Entomol Sci. 15:253–256.
- Neiland MRM, Wilcock CC. 1998. Fruit set, nectar reward, and rarity in the Orchidaceae. Am J Bot. 85:1657–1671.
- Nilsson LA. 1983. Processes of isolation and introgressive interplay between Platanthera bifolia (L.) Rich and P. chlorantha (Custer) Reichb. (Orchidaceae). Bot J Linn Soc. 87:325–350.
- Steen R. 2012. Pollination of Platanthera chlorantha (Orchidaceae): new video registration of a hawkmoth (Sphingidae). Nord J Bot. 30:623–626.
- Steen R, Aase ALTO. 2011. Portable digital video surveillance system for monitoring flower-visiting bumblebees. J Poll Ecol. 5:90.
- Steen R, Mundal D. 2013. New video registration of Autographa pulchrina (Haworth, 1809) (Lepidoptera, Noctuidae) and Sphinx pinastri L., 1758 (Lepidoptera, Sphingidae) pollinating Platanthera bifolia latiflora (Orchidaceae) in Norway. Norweg. J Ento. 60:57–61.
- Suetsugu K, Fukushima S. 2014. Bee pollination of the endangered orchid Calanthe discolor through a generalized food-deceptive system. Pl. Syst. Evol. doi:10.1007/s00606-013-0894-7
- Suetsugu K, Fukushima S. 2014. Pollination biology of the endangered orchid Cypripedium japonicum in a fragmented forest of Japan. Pl. Spec. Biol. doi:10.1111/1442-1984.12016
- Suetsugu K, Tanaka K. 2013. Pollination of Sedirea japonica (Orchidaceae) by Bombus diversus diversus (Hymenoptera: Apidae). Eur J Entomol. 110:545–548.
- Suetsugu K, Tanaka, K. 2014. Consumption of Habenaria sagittifera pollinia by juveniles of the katydid Ducetia japonica. Ento. Sci. 17:122–124.
- Summers B. 1996. Platanthera praeclara Sheviak & Bowles, In: McKee J, editor. Missouri orchids. Missouri, USA Missouri Department of Conservation, Natural History Series. p. 42–44.
- Tremblay RL, Ackerman JD, Zimmerman JK, Calvo RN. 2005. Variation in sexual reproduction in orchids and its evolutionary consequences: a spasmodic journey to diversification. Biol J Linn Soc. 84:1–54.
- Van Der Pijl L, Dodson CH. 1966. Orchid flowers, their pollination and evolution. Coral Gables, FL: University of Miami Press.
- Widmer A, Cozzolino S, Pellegrino G, Soliva M, Dafni A. 2000. Molecular analysis of orchid pollinaria and pollinaria-remains found on insects. Mol Ecol. 9:1911–1914.