Melosira is a genus of diatoms belonging to the family Melosiraceae. [1] The genus has cosmopolitan distribution, [1] and inhabits both freshwater and marine habitats. [2] Melosira is considered as meroplankton, as they remain free-floating like …

Melosira is distinguished from Aulacoseira and other freshwater diatoms with similar colonial growth habits by uniformly structured valve walls, without costae or septae, and lack of spines visible under the light microscope. As presently conceived, it has a …

Melosira contains a small number of freshwater species. M. varians, one of the most common species of the genus grows in benthic habitats of eutrophic streams and lakes.

Cite This Page Spaulding, S., Edlund, M. (2008). Melosira. In Diatoms of North America. Retrieved April 11, 2025, from https://diatoms.org/genera/melosira

Melosira varians is very common in rivers and lakes across North America. This species is considered to be tolerant of poor water quality, although it may occur in more pristine sites as well. This diatom is primarily found in benthic habitats, with cells joined in long filamentous chains.

Species: Melosira varians | Diatom Order: Melosirales Family: Melosiraceae Description: Cylindrical cells, rectangular in girdle view, often forming long chains. Valve faces are slightly convex and covered with small spines. Little to no ornamentation (areolae) on valve faces. Cell Size: length 5-30um, width 5-15um

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

Species Melosira agassizii Ostenfeld, 1909 Species Melosira aueri Cleve-Euler, 1948 Species Melosira baikalensis S.Wislouch, 1924 Species Melosira borreri Greville, 1833 Species Melosira borrerii Species Melosira dickiei (Thwaites) Kützing, 1849 Species Melosira hormoides Montagne, 1939 Species Melosira hustedtii Krasske, 1939 Species Melosira indica Skvortzov Species …

Most organisms interact with other organisms in some way or another, and how they do so usually defines how they fit into an ecosystem. These intereactions come to us from Global Biotic …

Feb 15, 2025 · Species Melosira octogona A.W.F.Schmidt, 1893 (uncertain > unassessed) Species Melosira oestrupi Cleve-Euler, 1910 (uncertain > unassessed) Species Melosira radiata Grunow, 1870 accepted as Cyclotella radiata Brightwell, 1860 (uncertain > unassessed) Species Melosira subflexilis Kützing, 1833 (uncertain > unassessed)