dc:creator"Jüttner, Ingrid; Hamilton, Paul B.; Wetzel, Carlos E.; De, Bart Van; Vijver; King, Lydia; Kelly, Martyn G.; Williams, David M.; Ector, Luc";
dc:creator"Jüttner, Ingrid; Hamilton, Paul B.; Wetzel, Carlos E.; De, Bart Van; Vijver; King, Lydia; Kelly, Martyn G.; Williams, David M.; Ector, Luc";
dc:date"2022";
dc:title"A study of the morphology and distribution of four Achnanthidium Kütz. species (Bacillariophyta), implications for ecological status assessment, and description of two new European species";
dc:description"FIG. 5. — Achnanthidium sieminskae Witkowski,Kulikowskiy & Riaux-Gob.: A-I, specimens from Loch Morlich,Scotland;J-P, specimens from River Spey,Scotland; Q-W, specimens from River Feshie,Scotland; X-AR, specimens from unnamed stream west of Arnisdale,Highland,Scotland;AS-AX, specimens from River Ehen, England; AY-BN, specimens from Llyn y Fan Fawr, Wales; B-P, R-W, Y-BN, LM views of valves; A, Q, X, LM views of frustules in girdle view. Scale bar: 10 µm.";
dc:description"FIG. 6. — Achnanthidium sieminskae Witkowski, Kulikowskiy & Riaux-Gob.: A, E, specimens from River Spey, Scotland; B-D, F-H, specimens from River Feshi, Scotland; A, B, SEM external views of raphe valve; C, SEM internal view of raphe valve; D, E, SEM external views of rapheless valves; F, SEM internal view of raphe valve; G, SEM external view of rapheless valve and mantle; H, external view of frustule in girdle view. Scale bars: A-D, F-H, 5 µm; E, 2 µm.";