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Pollinium structure in periplocoideae (apocynaceae)Verhoeven, Rudolf L.; Venter, Hendrik J. T. · Grana · 1998
The elasticity of the exineRowley, John; Skvarla, John · Grana · 2000
On some pollen morphological conceptsPraglowski, Joseph; Raj, Bhoj · Grana · 1979
Pollen analysis of <i>Agathirsia</i> waspsJones, Gretchen D.; Pucci, Thomas M. · Grana · 2012
Pollen ultrastructure of the PontederiaceaeSimpson, Michael G. · Grana · 1987
Pollen Morphology of the NyctaginaceaeNowicke, Joan W.; Luikart, Terry J. · Grana · 1971
Pollen morphology in the trimeniaceaeSampson, F. B.; Endress, P. K. · Grana · 1984
Pollen morphological studies in the MalvaceaeChristensen, Pia Bro · Grana · 1986