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Raphidocystis ambigua

Raphidocystis ambigua, dry moss

Raphidocystis ambigua   (Penard, 1904) Zlatogursky, 2018
Basionym: Raphidiophrys ambigua Penard 1904

Diagnosis: Periplast (20–50 μm in diameter) formed from scales with reticular external texture of distal surface. All scales bordered by a smooth or delicately ribbed rim. Scales are of three main shapes:

1) long, narrow fusiform scales with sharp-pointed apices ( Length: 7.68–14.16 μm; Breadth: 0.4–0.7; Width of rims: 0.09–0.26 μm;

2) narrowly ellipsoidal or naviculoid scales ( Length: 5.47–11.94 μm; Breadth: 0.95–2.09 μm; Width of rims: 0.11–0.33 μm;

3) broadly elliptical or oval scales with rounded poles ( Length: 3.67–9.22 μm; Breadth: 1.28–2.62 μm Width of rims: 0.14–0.38 μm).

Ecology: Freshwater, dry mosses. Not rare. Switzerland (type locality), Argentina, Canada, Chile, Germany, Japan, New Zealand, Sri Lanka, The Netherlands and Ukraine.

Raphidocystis ambigua

From Siemensma (1991)

Raphidocystis ambigua

Dried specimen from the river Gardon, Souhtern France (2020)

Raphidocystis ambigua

from dry moss, Naardermeer, the Netherlands (2019)

Raphidocystis ambigua

Cysts, from dry moss, Naardermeer, the Netherlands (2019)
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