Cribraria

Sadykov, Ruslan E. & Potapov, Kim O., 2023, New dark species of Cribraria (Myxomycetes) from wetland ecosystem in Tatarstan (Russia), Phytotaxa 591 (3), pp. 234-238 : 237-238

Key to species inside group V of Cribraria , based on key of Poulain et al. (2011)

Group V— Sporocysts yellow, orange-yellow, ochraceous brown, reddish brown, violaceous brown, almost black, grey, lead. Net well developed, the nodes thickened, irregular, more or less symmetrical, fusiform, rounded or angled. Cap with minute transverse wrinkles, with rows of granules longitudionally arranged. Granules small, 1–2 µm. Stalk long (6 times or more longer than sporocyst).

1. Sporocysts with reddish, coppery, purple or grey shades..............................................................................................2

1. Sporocysts ochraceous, ochraceous brown or olivaceous, 0.3–0.5 mm in diameter. Stalk to 8 times longer. Nodes numerous, rounded, pulvinate, with 0–2 free ends. Spores 5–7 µm, very minutely warted ........................... C. tenella

2. Sporocysts coppery hazel brown to dark purplish brown, 0.2–0.4 mm in diameter. Stalk to 10 times longer. Nodes numerous, small, thickened, rather flat and angular. Spores 6–7.5 µm, minutely warted without inclusions ................ ................................................................................................................................................................. C. languescens

2. Sporocysts grey, plumbeous coloured, 0.3–0.35 mm in diameter. Stalk 8–8.5 times longer. Nodes thickened, checkmate-symmetrical, sharp-angled rhomboids or triangles, to 4 time longer than threads. Spores (4.5–)5–5.3(–5.7) µm, with dense small warts ............................................................................................................................ C. gothica