van Geel 1978: seeds ellipsoidal, 235-240 × 150 micron. Epidermis cells about 25-30 × 10-15 micron, with undulating cell walls. Proximal end with point of attachment (hilum). Epidermis cells covered with appendices of increasing length from about the equator of the seed to the more rounded distal end, attaining 15 micron at the distal end.
van Geel B (1978) A palaeoecological study of Holocene peat bog sections in Germany and the Netherlands, based on the analysis of pollen, spores and macro- and microscopic remains of fungi, algae cormophytes and anymals. Rev. Palaeobot. Palynol. 25:1-120.