Kuhry 1997: Heterogeneous group of hyaline, quadratic spores with surfaces smooth, pitted or with an irregular pattern of ridges.
Kuhry P (1997) The palaeoecology ot a treed bog in western boreal Canada: a study based on microfossils, macrofossils and physico-chemical properties. Rev. Palaeobot. Palynol. 96:183-224.