References
For Oldenlandiopsis
Terrell, E.E., and W.H. Lewis. 1990. Oldenlandiopsis (Rubiaceae), a new genus from the Caribbean basin, based on Oldenlandia callitrichoides Grisebach. Brittonia 42: 185-190. Google Scholar
For Oldenlandiopsis
Terrell, E.E., and W.H. Lewis. 1990. Oldenlandiopsis (Rubiaceae), a new genus from the Caribbean basin, based on Oldenlandia callitrichoides Grisebach. Brittonia 42: 185-190. Google Scholar