van Geel et al (1983b): Microfossil, globose, 11.6-15.3 µm in diameter, exclusive of the 1.5-2.9 µm long, closely spaced and 0.3-0.5 µm broad hairs. Spores also occurring in groups of up to nine specimens.
van Geel B, Hallewas DP, Pals JP (1983) A Late Holocene deposit under the Westfriese Zeedijknear Enkhuizen (Prov of Noord-Holland, The Netherlands): palaeoecological and archaeological aspects. Rev. Palaeobot. Palynol. 38:269-335.