Campbell Island: VOUCHER SPECIMEN: LE 221999. COLLECTION SITE: Stream 6.

DESCRIPTION: Hyphae branched, 15-60 µm in diam. Gemmae not numerous, pyriform, varying in size, terminal or intercalary. Zoosporangia numerous, thread-like, club-shaped, straight, 100-250 x 20- 60 µm, internally proliferated, sympodial. Cysts 10- 14 µm in diam. Oogonia numerous, lateral on the stalk, spherical, club-shaped, 50-60 µm in diam., smooth-walled, pores developing only at the place of antheridial attachment. Antheridia diclinal, 3 per oogonium, antheridial cell tubular or club-shaped. Oospores centric, 4-18 per oogonium, 20-25 µm in diam.

COMMENTS: Saprolegnia diclina is a common saprotroph on animal and plant debris in freshwater habitats and soil. The species also occurs as a parasite of fish, reptiles and their eggs, aquatic insects, and other invertebrates. It is widely distributed in Europe, Asia, North and South America, and Africa.