Figs. 157-162. Chytriomyces willoughbyi (Willoughby) Karling (Karling, 1968).
Fig. 157. Stages in the development of a thallus in which the incipient sporangium is budding out of the apex of the zoospore cyst.
Fig. 158. Stages in the development of a thallus in which the zoospore cyst is enlarging to form the sporangium.
Fig. 159. Spherical (2.2-3 µm diam.) and amoeboid zoospores with single, anterior globule.
Fig. 160. Empty sporangia.
Fig. 161. Mature resting spore with fairly extensive branched rhizoids.
Fig. 162. Germination of resting spore.