taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
2E2D5A4B2A69FF8FFF00537FFA37F7AE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715603/files/figure.png	https://doi.org/10.5281/zenodo.13715603	FIGURE 8. Light (E–L, N–O) and SEM (A–D, M, P–S) microscopy images of aerial diatom assemblages from southwestern Iceland. A–H. Humidophila eldfjallii Furey, Manoylov et Lowe sp. nov.: A. external and B. internal valve views, C. close up valve apex showing distal raphe ends. D. close up of central area showing proximal raphe ends. E–H. valve view, F. holotype; I–M, R–S. Humidophila paracontenta: I–L valve view, M. internal valve view, R. external valve, and S. both valve and girdle views. Note depressions flanking distal and proximal raphe ends (arrows); N–Q. H. sp. 1, N–O. valve view, N. representative specimen circled on slide GCAC4212, P–Q. external valve view. Note depressions flanking proximal raphe ends (arrow). LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 8. Light (E–L, N–O) and SEM (A–D, M, P–S) microscopy images of aerial diatom assemblages from southwestern Iceland. A–H. Humidophila eldfjallii Furey, Manoylov et Lowe sp. nov.: A. external and B. internal valve views, C. close up valve apex showing distal raphe ends. D. close up of central area showing proximal raphe ends. E–H. valve view, F. holotype; I–M, R–S. Humidophila paracontenta: I–L valve view, M. internal valve view, R. external valve, and S. both valve and girdle views. Note depressions flanking distal and proximal raphe ends (arrows); N–Q. H. sp. 1, N–O. valve view, N. representative specimen circled on slide GCAC4212, P–Q. external valve view. Note depressions flanking proximal raphe ends (arrow). LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A69FF8FFF00537FFA37F7AE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715601/files/figure.png	https://doi.org/10.5281/zenodo.13715601	FIGURE 7. Light (C–I) and SEM (A–B, J–L) microscopy images of aerial diatom assemblages from southwestern Iceland. A–E. Humidophila biceps: A–B external, valve view showing external expression of areolae, distal raphe endings, and proximal raphe endings with adjacent depressions (arrow). C–E. valve view; F–L. Humidophila perpusilla: F–I. size series in valve view, and J–L. external view of valve and tilted frustule showing valve and girdle views. Note depressions flanking proximal raphe ends (arrow). M–P. Humidophila parallela: valve view. P. external view showing hints of T-shaped proximal and distal raphe endings. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 7. Light (C–I) and SEM (A–B, J–L) microscopy images of aerial diatom assemblages from southwestern Iceland. A–E. Humidophila biceps: A–B external, valve view showing external expression of areolae, distal raphe endings, and proximal raphe endings with adjacent depressions (arrow). C–E. valve view; F–L. Humidophila perpusilla: F–I. size series in valve view, and J–L. external view of valve and tilted frustule showing valve and girdle views. Note depressions flanking proximal raphe ends (arrow). M–P. Humidophila parallela: valve view. P. external view showing hints of T-shaped proximal and distal raphe endings. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A69FF8FFF00537FFA37F7AE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715607/files/figure.png	https://doi.org/10.5281/zenodo.13715607	FIGURE 9. Light (E–J) and SEM (A–D) microscopy images of aerial diatom populations of Humidophila gallica from southwestern Iceland.A–B. external view showing spine location and external expression of areolae, C–D. girdle view of two linked frustules showing side view of spines and presence of areolae on valve mantle and cingulum, E–F. valve view of longer form, G. tilted girdle view of a single frustule with visible spines, H. girdle view of a chain of cells. I–J. valve view of shorter form. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 9. Light (E–J) and SEM (A–D) microscopy images of aerial diatom populations of Humidophila gallica from southwestern Iceland.A–B. external view showing spine location and external expression of areolae, C–D. girdle view of two linked frustules showing side view of spines and presence of areolae on valve mantle and cingulum, E–F. valve view of longer form, G. tilted girdle view of a single frustule with visible spines, H. girdle view of a chain of cells. I–J. valve view of shorter form. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A7BFF8AFF005551FE4BFF7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715593/files/figure.png	https://doi.org/10.5281/zenodo.13715593	FIGURE 4. Light (A–I, N–c) and SEM (J–M) images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, J–L. Eunotia palatina: A–F. size diminution series, the striae end short on the valve face to create the appearance of a hyaline strip (i), J. internal views of a valve apex showing the location of the helictoglossa, a hyaline area (i) and swelling where the proximal raphe ends (ii), K. a whole valve, internal view (scale bar as in L), and L. a frustule with both valve and girdle views visible; G–I, M. Eunotia arctica: G–I. valve views, M. external view shows striae and hyaline band along the ventral edge; N. Eunotia cf. valida: valve view; O–P. Eunotia cf. fallax: valve view; Q–W. Eunotia neofallax: valve view, V. half valve / half girdle view, and W. girdle view; X–c. Eunotia nymanniana: valve view. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 4. Light (A–I, N–c) and SEM (J–M) images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, J–L. Eunotia palatina: A–F. size diminution series, the striae end short on the valve face to create the appearance of a hyaline strip (i), J. internal views of a valve apex showing the location of the helictoglossa, a hyaline area (i) and swelling where the proximal raphe ends (ii), K. a whole valve, internal view (scale bar as in L), and L. a frustule with both valve and girdle views visible; G–I, M. Eunotia arctica: G–I. valve views, M. external view shows striae and hyaline band along the ventral edge; N. Eunotia cf. valida: valve view; O–P. Eunotia cf. fallax: valve view; Q–W. Eunotia neofallax: valve view, V. half valve / half girdle view, and W. girdle view; X–c. Eunotia nymanniana: valve view. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A7BFF8AFF005551FE4BFF7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715595/files/figure.png	https://doi.org/10.5281/zenodo.13715595	FIGURE 5. Light (A–F, K–L) and SEM (G–I) microscopy images of aerial diatom assemblages from southwestern Iceland, Eunotia species.A–F, H–I. Eunotia bigibba:A. two live frustules in girdle view, C–F, I. valve view, B–F. size diminution series, and B. girdle view showing raphe position, H. arrangement of the cingulum and areolae on the mantle, and I. valve view showing arrangement of punctate striae and raphe ends on the valve face. Note the appearance of the hyaline area on the ventral edge of the valve where the striae stop short (i); G, K–L. Eunotia bidens: all valve views, note the swellings along the ventral margin where the proximal raphe ends. Frustule K slightly tilted. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 5. Light (A–F, K–L) and SEM (G–I) microscopy images of aerial diatom assemblages from southwestern Iceland, Eunotia species.A–F, H–I. Eunotia bigibba:A. two live frustules in girdle view, C–F, I. valve view, B–F. size diminution series, and B. girdle view showing raphe position, H. arrangement of the cingulum and areolae on the mantle, and I. valve view showing arrangement of punctate striae and raphe ends on the valve face. Note the appearance of the hyaline area on the ventral edge of the valve where the striae stop short (i); G, K–L. Eunotia bidens: all valve views, note the swellings along the ventral margin where the proximal raphe ends. Frustule K slightly tilted. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A7BFF8AFF005551FE4BFF7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715599/files/figure.png	https://doi.org/10.5281/zenodo.13715599	FIGURE 6. Light (A–E) and SEM (F–J) microscopy images of aerial, diatom population of Eunotia curtagrunowii from southwestern Iceland. A–C. valve view size diminution series and D–E. girdle view with different focuses, F. internal view showing helictoglossa and internal opening of areolae with a close up of the apex of the same valve in I. to show the internal expression of the rimoportula (arrow), G. close up of valve apex with external opening to the rimoportula (arrow), H. external view, showing arrangement of striae and raphe ends on the valve face, note the markings along the ventral edge of the valve face, J. tilted girdle view showing cingulum. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 6. Light (A–E) and SEM (F–J) microscopy images of aerial, diatom population of Eunotia curtagrunowii from southwestern Iceland. A–C. valve view size diminution series and D–E. girdle view with different focuses, F. internal view showing helictoglossa and internal opening of areolae with a close up of the apex of the same valve in I. to show the internal expression of the rimoportula (arrow), G. close up of valve apex with external opening to the rimoportula (arrow), H. external view, showing arrangement of striae and raphe ends on the valve face, note the markings along the ventral edge of the valve face, J. tilted girdle view showing cingulum. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8AFF005127FDDEFE17.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715593/files/figure.png	https://doi.org/10.5281/zenodo.13715593	FIGURE 4. Light (A–I, N–c) and SEM (J–M) images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, J–L. Eunotia palatina: A–F. size diminution series, the striae end short on the valve face to create the appearance of a hyaline strip (i), J. internal views of a valve apex showing the location of the helictoglossa, a hyaline area (i) and swelling where the proximal raphe ends (ii), K. a whole valve, internal view (scale bar as in L), and L. a frustule with both valve and girdle views visible; G–I, M. Eunotia arctica: G–I. valve views, M. external view shows striae and hyaline band along the ventral edge; N. Eunotia cf. valida: valve view; O–P. Eunotia cf. fallax: valve view; Q–W. Eunotia neofallax: valve view, V. half valve / half girdle view, and W. girdle view; X–c. Eunotia nymanniana: valve view. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 4. Light (A–I, N–c) and SEM (J–M) images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, J–L. Eunotia palatina: A–F. size diminution series, the striae end short on the valve face to create the appearance of a hyaline strip (i), J. internal views of a valve apex showing the location of the helictoglossa, a hyaline area (i) and swelling where the proximal raphe ends (ii), K. a whole valve, internal view (scale bar as in L), and L. a frustule with both valve and girdle views visible; G–I, M. Eunotia arctica: G–I. valve views, M. external view shows striae and hyaline band along the ventral edge; N. Eunotia cf. valida: valve view; O–P. Eunotia cf. fallax: valve view; Q–W. Eunotia neofallax: valve view, V. half valve / half girdle view, and W. girdle view; X–c. Eunotia nymanniana: valve view. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8BFF00522DFEF2FC0F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715611/files/figure.png	https://doi.org/10.5281/zenodo.13715611	FIGURE 10. Light (B–z) and SEM (A) microscopy images of aerial diatom assemblages from southwestern Iceland, mostly in valve view. A–E.Diatomella balfouriana:A, D–E.girdle views, B. valve viewwith striae infocus,C.septa with openings infocus; F.Encyonema langebertalotii; G. Gomphonema sp. 1; H. Gomphonema bipunctatum; I. Cymbopleura cf. subaequalis, J. Naviculoid sp. 1; K. Amphora ovalis; L. Tryblionella debilis; M–O, a. Platessa rupestris var. interrupta; P–Q. Platessa rupestris; R. Adlafia bryophila; S–U. Microcostatus krasskei; V. Neidium bisulcatum; W. Hantzschia amphioxys; X. Navicula cf. radiosa; Y–Z, a. Psammothidium marginulatum; b. Navicula seminulum var. radiosa; c. Sellaphora seminulum; d–e. Fallacia insociabilis; f. Brachysira brebissonii; g. Naviculoid sp. 2; h–i. Adlafia suchlandtii j= Luticola c.f. nivaloides, k. Luticola sp. 1; l. Luticola cf. mutica; m. Sellaphora rectangularis; n. Cavinula variostriata; o Nitzschia sinuata; p–q, s–v. Nitzschia perminuta; r. Nitzschia soratensis, w. Diploneis ovalis; x–y. Rhoicosphenia cf. californica; z. Rhoicosphenia abbreviata. Scale bar =10 μm unless stated otherwise shown, ‘=’ represents focus on each valve of the same frustule.	FIGURE 10. Light (B–z) and SEM (A) microscopy images of aerial diatom assemblages from southwestern Iceland, mostly in valve view. A–E.Diatomella balfouriana:A, D–E.girdle views, B. valve viewwith striae infocus,C.septa with openings infocus; F.Encyonema langebertalotii; G. Gomphonema sp. 1; H. Gomphonema bipunctatum; I. Cymbopleura cf. subaequalis, J. Naviculoid sp. 1; K. Amphora ovalis; L. Tryblionella debilis; M–O, a. Platessa rupestris var. interrupta; P–Q. Platessa rupestris; R. Adlafia bryophila; S–U. Microcostatus krasskei; V. Neidium bisulcatum; W. Hantzschia amphioxys; X. Navicula cf. radiosa; Y–Z, a. Psammothidium marginulatum; b. Navicula seminulum var. radiosa; c. Sellaphora seminulum; d–e. Fallacia insociabilis; f. Brachysira brebissonii; g. Naviculoid sp. 2; h–i. Adlafia suchlandtii j= Luticola c.f. nivaloides, k. Luticola sp. 1; l. Luticola cf. mutica; m. Sellaphora rectangularis; n. Cavinula variostriata; o Nitzschia sinuata; p–q, s–v. Nitzschia perminuta; r. Nitzschia soratensis, w. Diploneis ovalis; x–y. Rhoicosphenia cf. californica; z. Rhoicosphenia abbreviata. Scale bar =10 μm unless stated otherwise shown, ‘=’ represents focus on each valve of the same frustule.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8BFF00522DFEF2FC0F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715587/files/figure.png	https://doi.org/10.5281/zenodo.13715587	FIGURE 2. Light (B–T) and SEM (A, U–V) microscopy images of diatom assemblages from aerial sites in southwestern Iceland. A–G. Staurosirella neopinnata:A. external, girdle view of two linked frustules, left frustule shows the completed synthesis of new valves within the frustule, B–D. size series in valve and E–G. girdle view, F and G. two linked frustules; H. Fragilaria nitzschioides: valve view; I–J. Meridion circulare var. constrictum: I. 2 frustules in girdle view, J. valve view; K. Fragilaria perminuta: valve view; L–M. Aulacoseira alpigena: L. girdle view and M. valve view; N, S–T. Orthoseira roeseana: N. girdle view with irregular linking spines and longitudinal areolae on the valve mantle, S–T. Valve view with 3 to 4 carinoportulae; O–P. Stauroforma atomus: valve views; Q, R, U–V. Hygropetra balfouriana: Q–R. valve view, U. SEM of a tilted frustule with both valve and girdle views visible, U. shows the nature of the striae, and raphe, V. internal view. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 2. Light (B–T) and SEM (A, U–V) microscopy images of diatom assemblages from aerial sites in southwestern Iceland. A–G. Staurosirella neopinnata:A. external, girdle view of two linked frustules, left frustule shows the completed synthesis of new valves within the frustule, B–D. size series in valve and E–G. girdle view, F and G. two linked frustules; H. Fragilaria nitzschioides: valve view; I–J. Meridion circulare var. constrictum: I. 2 frustules in girdle view, J. valve view; K. Fragilaria perminuta: valve view; L–M. Aulacoseira alpigena: L. girdle view and M. valve view; N, S–T. Orthoseira roeseana: N. girdle view with irregular linking spines and longitudinal areolae on the valve mantle, S–T. Valve view with 3 to 4 carinoportulae; O–P. Stauroforma atomus: valve views; Q, R, U–V. Hygropetra balfouriana: Q–R. valve view, U. SEM of a tilted frustule with both valve and girdle views visible, U. shows the nature of the striae, and raphe, V. internal view. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8BFF00522DFEF2FC0F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715589/files/figure.png	https://doi.org/10.5281/zenodo.13715589	FIGURE 3. SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A–D. Orthoseira roeseana:A–B. external valve view with 3 and 4 carinoportulae in the center with a rim, and uniseriate striae, C. internal valve view shows the simple opening of the carinoportulae, D. external view of valve mantle and part of the girdle show the spatulate spines and irregular girdle bands. Scale bars as shown.	FIGURE 3. SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A–D. Orthoseira roeseana:A–B. external valve view with 3 and 4 carinoportulae in the center with a rim, and uniseriate striae, C. internal valve view shows the simple opening of the carinoportulae, D. external view of valve mantle and part of the girdle show the spatulate spines and irregular girdle bands. Scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8BFF00522DFEF2FC0F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715615/files/figure.png	https://doi.org/10.5281/zenodo.13715615	FIGURE 12. Light F–H and A–E SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A, F. Cosmioneis pusilla; B. Platessa rupestris var. interrupta; C. Psammothidium sp. 1; D. Pinnularia borealis; E. Planothidium lanceolatum; G. Stauroneis subgracilis; H. Rhopalodia rupestris. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 12. Light F–H and A–E SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A, F. Cosmioneis pusilla; B. Platessa rupestris var. interrupta; C. Psammothidium sp. 1; D. Pinnularia borealis; E. Planothidium lanceolatum; G. Stauroneis subgracilis; H. Rhopalodia rupestris. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A79FF8BFF00522DFEF2FC0F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715613/files/figure.png	https://doi.org/10.5281/zenodo.13715613	FIGURE 11. Light microscopy images of aerial diatom assemblages from southwestern Iceland. A. Pinnularia cf. subcommutata; B. Pinnularia stomatophora; C. Pinnularia sp. 2; D. Pinnularia sp. 1; E. Pinnularia borealis; F. Pinnularia borealis f. subcapitata; G. Pinnularia borealis var. islandica girdle view; H. Pinnularia borealis var.lanceolata; I–J. Pinnularia intermedia; K–M. Pinnularia parva; N–O. Pinnularia minoricapitata; P. Muellaria gibulla; Q. Achnanthes coarctata; R. Caloneis schumanniana; S–T. Caloneis silicula; U–W. Caloneis tenuis; X–a. Stauroneis cf. borrichii. LM scale bar = 10 μm.	FIGURE 11. Light microscopy images of aerial diatom assemblages from southwestern Iceland. A. Pinnularia cf. subcommutata; B. Pinnularia stomatophora; C. Pinnularia sp. 2; D. Pinnularia sp. 1; E. Pinnularia borealis; F. Pinnularia borealis f. subcapitata; G. Pinnularia borealis var. islandica girdle view; H. Pinnularia borealis var.lanceolata; I–J. Pinnularia intermedia; K–M. Pinnularia parva; N–O. Pinnularia minoricapitata; P. Muellaria gibulla; Q. Achnanthes coarctata; R. Caloneis schumanniana; S–T. Caloneis silicula; U–W. Caloneis tenuis; X–a. Stauroneis cf. borrichii. LM scale bar = 10 μm.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A76FF86FF3555FAFE07FD2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715613/files/figure.png	https://doi.org/10.5281/zenodo.13715613	FIGURE 11. Light microscopy images of aerial diatom assemblages from southwestern Iceland. A. Pinnularia cf. subcommutata; B. Pinnularia stomatophora; C. Pinnularia sp. 2; D. Pinnularia sp. 1; E. Pinnularia borealis; F. Pinnularia borealis f. subcapitata; G. Pinnularia borealis var. islandica girdle view; H. Pinnularia borealis var.lanceolata; I–J. Pinnularia intermedia; K–M. Pinnularia parva; N–O. Pinnularia minoricapitata; P. Muellaria gibulla; Q. Achnanthes coarctata; R. Caloneis schumanniana; S–T. Caloneis silicula; U–W. Caloneis tenuis; X–a. Stauroneis cf. borrichii. LM scale bar = 10 μm.	FIGURE 11. Light microscopy images of aerial diatom assemblages from southwestern Iceland. A. Pinnularia cf. subcommutata; B. Pinnularia stomatophora; C. Pinnularia sp. 2; D. Pinnularia sp. 1; E. Pinnularia borealis; F. Pinnularia borealis f. subcapitata; G. Pinnularia borealis var. islandica girdle view; H. Pinnularia borealis var.lanceolata; I–J. Pinnularia intermedia; K–M. Pinnularia parva; N–O. Pinnularia minoricapitata; P. Muellaria gibulla; Q. Achnanthes coarctata; R. Caloneis schumanniana; S–T. Caloneis silicula; U–W. Caloneis tenuis; X–a. Stauroneis cf. borrichii. LM scale bar = 10 μm.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A76FF86FF3555FAFE07FD2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715611/files/figure.png	https://doi.org/10.5281/zenodo.13715611	FIGURE 10. Light (B–z) and SEM (A) microscopy images of aerial diatom assemblages from southwestern Iceland, mostly in valve view. A–E.Diatomella balfouriana:A, D–E.girdle views, B. valve viewwith striae infocus,C.septa with openings infocus; F.Encyonema langebertalotii; G. Gomphonema sp. 1; H. Gomphonema bipunctatum; I. Cymbopleura cf. subaequalis, J. Naviculoid sp. 1; K. Amphora ovalis; L. Tryblionella debilis; M–O, a. Platessa rupestris var. interrupta; P–Q. Platessa rupestris; R. Adlafia bryophila; S–U. Microcostatus krasskei; V. Neidium bisulcatum; W. Hantzschia amphioxys; X. Navicula cf. radiosa; Y–Z, a. Psammothidium marginulatum; b. Navicula seminulum var. radiosa; c. Sellaphora seminulum; d–e. Fallacia insociabilis; f. Brachysira brebissonii; g. Naviculoid sp. 2; h–i. Adlafia suchlandtii j= Luticola c.f. nivaloides, k. Luticola sp. 1; l. Luticola cf. mutica; m. Sellaphora rectangularis; n. Cavinula variostriata; o Nitzschia sinuata; p–q, s–v. Nitzschia perminuta; r. Nitzschia soratensis, w. Diploneis ovalis; x–y. Rhoicosphenia cf. californica; z. Rhoicosphenia abbreviata. Scale bar =10 μm unless stated otherwise shown, ‘=’ represents focus on each valve of the same frustule.	FIGURE 10. Light (B–z) and SEM (A) microscopy images of aerial diatom assemblages from southwestern Iceland, mostly in valve view. A–E.Diatomella balfouriana:A, D–E.girdle views, B. valve viewwith striae infocus,C.septa with openings infocus; F.Encyonema langebertalotii; G. Gomphonema sp. 1; H. Gomphonema bipunctatum; I. Cymbopleura cf. subaequalis, J. Naviculoid sp. 1; K. Amphora ovalis; L. Tryblionella debilis; M–O, a. Platessa rupestris var. interrupta; P–Q. Platessa rupestris; R. Adlafia bryophila; S–U. Microcostatus krasskei; V. Neidium bisulcatum; W. Hantzschia amphioxys; X. Navicula cf. radiosa; Y–Z, a. Psammothidium marginulatum; b. Navicula seminulum var. radiosa; c. Sellaphora seminulum; d–e. Fallacia insociabilis; f. Brachysira brebissonii; g. Naviculoid sp. 2; h–i. Adlafia suchlandtii j= Luticola c.f. nivaloides, k. Luticola sp. 1; l. Luticola cf. mutica; m. Sellaphora rectangularis; n. Cavinula variostriata; o Nitzschia sinuata; p–q, s–v. Nitzschia perminuta; r. Nitzschia soratensis, w. Diploneis ovalis; x–y. Rhoicosphenia cf. californica; z. Rhoicosphenia abbreviata. Scale bar =10 μm unless stated otherwise shown, ‘=’ represents focus on each valve of the same frustule.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
2E2D5A4B2A76FF86FF3555FAFE07FD2F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13715587/files/figure.png	https://doi.org/10.5281/zenodo.13715587	FIGURE 2. Light (B–T) and SEM (A, U–V) microscopy images of diatom assemblages from aerial sites in southwestern Iceland. A–G. Staurosirella neopinnata:A. external, girdle view of two linked frustules, left frustule shows the completed synthesis of new valves within the frustule, B–D. size series in valve and E–G. girdle view, F and G. two linked frustules; H. Fragilaria nitzschioides: valve view; I–J. Meridion circulare var. constrictum: I. 2 frustules in girdle view, J. valve view; K. Fragilaria perminuta: valve view; L–M. Aulacoseira alpigena: L. girdle view and M. valve view; N, S–T. Orthoseira roeseana: N. girdle view with irregular linking spines and longitudinal areolae on the valve mantle, S–T. Valve view with 3 to 4 carinoportulae; O–P. Stauroforma atomus: valve views; Q, R, U–V. Hygropetra balfouriana: Q–R. valve view, U. SEM of a tilted frustule with both valve and girdle views visible, U. shows the nature of the striae, and raphe, V. internal view. LM scale bar = 10 μm, SEM scale bars as shown.	FIGURE 2. Light (B–T) and SEM (A, U–V) microscopy images of diatom assemblages from aerial sites in southwestern Iceland. A–G. Staurosirella neopinnata:A. external, girdle view of two linked frustules, left frustule shows the completed synthesis of new valves within the frustule, B–D. size series in valve and E–G. girdle view, F and G. two linked frustules; H. Fragilaria nitzschioides: valve view; I–J. Meridion circulare var. constrictum: I. 2 frustules in girdle view, J. valve view; K. Fragilaria perminuta: valve view; L–M. Aulacoseira alpigena: L. girdle view and M. valve view; N, S–T. Orthoseira roeseana: N. girdle view with irregular linking spines and longitudinal areolae on the valve mantle, S–T. Valve view with 3 to 4 carinoportulae; O–P. Stauroforma atomus: valve views; Q, R, U–V. Hygropetra balfouriana: Q–R. valve view, U. SEM of a tilted frustule with both valve and girdle views visible, U. shows the nature of the striae, and raphe, V. internal view. LM scale bar = 10 μm, SEM scale bars as shown.	2020-01-14	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.		Zenodo	biologists	Furey, Paula C.;Manoylov, Kalina M.;Lowe, Rex L.			
