@article {18490, title = {A new genus of Lauraceae from Costa Rica, with comments on problems of generic and specific delimitation within the family}, journal = {Brittonia}, volume = {40}, year = {1988}, pages = {275-282}, author = {Burger, William C.} } @article {18392, title = {Flora Costaricensis, Family $\#$80, Lauraceae}, journal = {Fieldiana. Botany}, volume = {23}, year = {1990}, pages = {1-129}, author = {Burger, William C. and van der Werff, Henk} }