@article{articlef216b3eb, title = {Study of the reproductive biology of an Amazonian Heterotaxis (Orchidaceae) demonstrates the collection of resin-like material by stingless bees}, author = {Krahl, Amauri H. and Holanda, Ana S. S. de and Krahl, Dayse R. P. and Martucci, Maria Elvira Poleti and Gobbo-Neto, Leonardo and Webber, Antonio C. and Pansarin, Emerson Ricardo}, year = {2019}, doi = {10.1007/s00606-019-01571-9}, journal = {Plant Systematics and Evolution} }