@article {1990,
	title = {Pollen morphology of the "primitive" epidendroid orchids.},
	journal = {Grana.},
	volume = {28},
	year = {1989},
	note = {Auxopus, Didymoplexis, Epipogium, Gastrodia, Nervilia, Stereosandra, Wullschlaegelia; Monophyllorchis, Psilochilus, Triphora, Acianthus, Corybas; Arethusa; Epistephium, Galeola, Vanilla, Cleistes, Pogonia, Isotria, Palmorchis; Sobralia. Theory of pollen wall evolution in Orchidaceae. SEM, TEM.},
	month = {1989///},
	pages = {261 - 78},
	keywords = {Acianthus, Corybas, Floral Morphology},
	author = {Hesse, M. and Burns Balogh, P. and Wolff, M.}
}
@article {1991,
	title = {Floral ontogeny of orchids: a review.},
	journal = {Beitr. Biol. Pfl.},
	volume = {71},
	year = {1998},
	note = {SEM. Apostasia, Neuwiedia, Cypripedium, Paphiopedilum, Phragmipedium, Selenipedium, Corymborkis, Tropidia, Goodyera, Ludisia, Vrydagzynea, Zeuxine, Prescottia, Cyclopogon, Sarcoglottis, Schiedeella, Ponthieva, Gavilea, Eriochilus,  Caleana, Pterostylis, Acianthus, Corybas, Cryptostylis, Diuris, Orthoceras, Calochilus, Thelymitra, Microtis, Prasophyllum, Anacamptis, Brachcorythis, Cologlossum, Dactylorhiza, Gymnadenia, Himantoglossum, Holothrix, Neobolusia, Ophrys, Orchis, Platanthera, Schizochilus, Bonatea, Cynorkis, Gennaria, Habenaria, Stenoglottis, Huttonaea, Pachites, Satyrium, Satyridium, Ceratandra, Corycium, Disperis, Pterygodium, Brownleea, Disa, Herschelianthe, Monadenia, Schizodium, Cephalanthera, Epipactis, Limodorum, Listera, Neottia, Galeola, Epistephium, Vanilla, Lecanorchis, Didymoplexis, Gastrodia, Epipogium,  Stereosandra, Wullschlaegelia, Liparis, Malaxis, Oberonia, Govenia, Bromheadia, Eulophia, Oeceoclades, Thecostele, Ansellia, Cymbidium, Graphorkis, Acriopsis, Catasetum, Lycaste, Trigonidium, Acineta, Gongora, Ornithocephalus, Phymatidium, Oncidium, Anthogonium, Bletia, Bletilla, Calanthe, Spathoglottis, Coelogyne, Dendrochilum, Pholidota, Elleanthus, Arpophyllum, Meiracyllium, Coelia, Diacrium, Epidendrum, Physosiphon, Pleurothallis, Neobenthamia, Polystachya, Ceratostylis, Appendicula, Phreatia, Thelasis, Dendrobium, Bulbophyllum, Sunipia, Doritis, Gastrochilus, Phalaenopsis, Angraecopsis, Arundina.},
	month = {1998///1999},
	pages = {45 - 100},
	keywords = {Acianthus, Corybas, Floral Morphology},
	author = {Kurzweil, H.}
}
@inbook {1994,
	title = {Ontogeny of orchid flowers.},
	booktitle = {Orchid biology: reviews and perspectives, VIII  .. Kluwer Academic Publishers: Dordrecht.},
	year = {2002},
	note = {Orchids 169 ARD Vol 8. Some genera illustrated with SEM. Table with info on: Apostasia, Neuwiedia, Cypripedium, Paphiopedilum, Phragmipedium, Selenipedium, Corymborkis, Tropidia, Goodyera, Ludisia, Vrydagzynea, Zeuxine, Prescottia, Cyclopogon, Sarcoglottis, Schiedeella, Ponthieva, Gavilea, Caladenia, Eriochilus, Glossodia, Lyperanthus, Rimacola, Caleana, Pterostylis, Acianthus, Corybas, Cryptostylis, Diruis, Orthoceras, Calochilus, Thelymitra, Microtis, Prasophyllum, Anacamptis, Brachcorythis, Coeloglossum, Dactylorhiza, Gymnadenia, Himantoglossum, Holothrix, Neobolusia, Ophyrs, Orchis, Platanthera, Schizochilus, Bonatea, Cynorkis, Gennaria, Habenaria, Stenoglottis, Huttonaea, Pachites, Satyrium, Ceratandra, Corycium, Disperis, Pterygodium, Brownleea, Disa, Schizodium, Cephalanthea, Epipactis, Limodorum, Listera, Neottia, Galeola, Epistephium, Vanilla, Lecanorchis, Didymoplexis, Gastrodia, Epipogium, Stereosandra, Wullschlaegelia, Liparis, Malaxis, Oberonia, Govenia, Bromheadia, Eulophia, Oeceoclades, Thecostele, Ansellia, Cymbidium, Graphorkis, Acriopsis, Catasetum, Lycaste, Trigonidium, Acineta, Gongora, Ornithocephalus, Phymatidium, Oncidium, Anthogonium, Bletia, Bletilla, Calanthe, Spathoglottis, Coelogyne, Dendrochilum, Elleanthus, Arpophyllum, Meiracyllium, Coelia,  Diacrium, Epidendrum, Physosiphon, Pleurothallis, Neobenthamia, Polystachya, Ceratosylis, Appendicula, Phreatia, Thelasis, Dendrobium, Bulbophyllum, Sunipia, Doritis, Gastrochilus, Phalaenopsis, Angraecopsis, Arundina.},
	month = {2002///},
	pages = {pp. - 83-138},
	keywords = {Acianthus, Corybas, Floral Morphology},
	author = {Kurzweil, H. and Kocyan, A.},
	editor = {Kull, T.}
}
@article {1971,
	title = {Pollen morphology of the Chloraeinae (Orchidaceae: Diurideae) and related subtribes},
	journal = {American Journal of Botany},
	volume = {68},
	year = {1981},
	note = {Bipinnula, Codonorchis, Gavilea, Geoblasta, Chloraea, Corybas, Acianthus, Pterostylis, Epiblema, Diuris, Calochilus, Thelymitra, Prasophyllum, Microtus, Chiloglottis, Caleana, Caladenia, Spiculaea, Drakaea. SEM},
	month = {1981///},
	pages = {1392 - 1402},
	keywords = {Acianthus, Corybas, Floral Morphology},
	author = {Ackerman, James D and Williams, N. H.}
}
