References
- Anderson , J. A. R. and Muller , J. 1975 . Palynological study of a Holocene peat and a Miocene coal deposit from Nw Borneo . Rev. Palaeobot. Palynol. , 19 : 291 – 351 .
- Raj , B. and Werff van dem , H. 1988 . A contribution to the pollen morphology of Neotropical Lauraceae . Ann. M. Bot. Gard. , 75 : 130 – 167 .
- Sohma , K. 1985 . Ultrastructure of pollen wall of Lindera umbellata Thunb. var. membranacea (Maxim.) Momiyama (Lauraceae). . Sci. Rep. Tohoku Imp, Univ. Ser. 4, Biol. , 39 : 13 – 19 .
- Stone , D. E. 1987 . Developmental evidence for the convergence of Sassafras (Laurales) and Heliconia (Zingiberales) pollen . Grana , 26 : 179 – 191 .
- Szirmai , J. A. 1962 . Quantitative approaches in the histochemistry of mucopolysaccharides . J. Histochem. Cytochem. , 11 : 24 – 34 .