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Kottawa-Arachchi, J.D., Liyanage, M.G.S., Karunarathne, H.K.B.M.I., Abeyweera, N.H.A.S., Kulasinghe, B.Y.M. and Kahawandala, K.R.S.C.B. 2020. The endangered Daffodil Orchid <i>Ipsea speciosa</i> (Orchidaceae): Population status in unprotected areas in the Central Highlands, Sri Lanka. Lankesteriana: International Journal on Orchidology. 20, 1 (Apr. 2020), 79–90. DOI:https://doi.org/10.15517/lank.v20i1.41434.