Light microscopy images of diatom strains. Light microscopy images from diatoms strains retrieved during Green Edge 2016 campaign. Size bars correspond to 10 μm. A) Chaetoceros neogracilis strain RCC5210; B) Cylindrotheca sp. strain RCC5216; C) Chaetoceros gelidus strain RCC5266 forming a small chain; D) Synedropsis hyperborea strain RCC5291; E) Thalassiosira sp. strain RCC5327; F) Bacterosira bathyomphala strain RCC5328 in both girdle and valve view; G) Thalassiosira cf antarctica strain RCC5348 valve with fine radiating areolae; H) Thalassiosira sp. strain RCC5350 in girdle view; I) Navicula sp. strain RCC5373; J) Navicula ramosissima strain RCC5374; K) Naviculales sp. RCC5387 cell in valve view; L) Nitzschia sp. strain RCC5389; M) Nitzschia sp. RCC5390 cells in ribbon-like colonies; N) Nitzschia sp. strain RCC5391; O) Naviculales strain RCC5402; P) Nitzschia sp. strain RCC5458; Q) Sellaphora sp. strain RCC5460; R) Cylindrotheca sp. strain RCC5463; S) Pseudo-nitzschia arctica strain RCC5469; T) Nitzschia sp. strain RCC5489; U) Fragilariopsis cylindrus strain RCC5501; V) Skeletonema sp. strain RCC5502; W) Nitzschia sp. strain RCC5510; X) Arcocellulus sp. strain RCC5530; Y) Eucampia groenlandica strain RCC5531; Z) Shionodiscus bioculatus strain RCC5532; AA) Synedra sp. strain RCC5535; AB) Attheya longicornis strain RCC5555 solitary cell in girdle view; AC) Naviculales sp. RCC5564 forming a small chain; AD) Attheya septentrionalis strain RCC5567; AE) Thalassiosira rotula RCC5605; AF) Chaetoceros decipiens strain RCC5606 forming a small, curved chain; AG) Actinocyclus sp. RCC5608; AH) Shionodiscus bioculatus strain RCC5609. DOI: https://doi.org/10.1525/elementa.401.f3