Contents: New taxa and new combinations / Acknowledgments / Tribe SPIRANTHEAE ,Subtribe PRESCOTTIINAE : Aa, Myrosrnodes, Altensteinia, Gomphichis, Stenoptera, Prescottia, Porphyrostachys / Subtribe SPIRANTHINAE: Microthelys, Brachystele, Sauroglossum, Beloglottis, Spiranthes, Hapalorchis/ Quechua, Eurystyles, Helonoma, Wallnoeferia, Cybebus/ BuchtieniaSubtribe DISCYPHINAE :Discyphus /Subtribe STENORRHYNCHIDINAE: Stenorrhynchos, Coccineorchis, Sacoila, Mesadenella, Lankesterella, Stalkya, Lyroglossa, Pteroglossa, Ochyrella, Eltroplectris, Callistanthos / Subtribe CYCLOPOGONINAE : Cocleorchis, Cyclopogon, Stigmatosema, Sarcoglottis, Veyretia, Glottisarcon, Pachygenium, Pelexia.(Published 14.VIII. 2019)