Fig. 3: Isotype of Potteromyces asteroxylicola gen. et sp. nov. on thin section NMS G.1925-9-11 illustrated in white light.
From: A fungal plant pathogen discovered in the Devonian Rhynie Chert
a Tuft of conidiophores arising from beneath the cuticle of an aerial axis of the plant Asteroxylon mackiei. b Higher magnification of a. Arrowhead showing animal remains. c, d Higher magnifications of b in different focal planes. Sporodochium-like stroma made of vertically aligned hyphae visible in d. e Higher magnification of the framed zone from b. f Higher magnification of e showing conidiogenesis; first-formed conidium holoblastic (arrowhead); conidia in chain (double arrowheads). Scale bars: 300 µm (a), 125 µm (b), 55 µm (c, d); 45 µm (e); 30 µm (f).
