taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
9211C220FFD2FFF3D3FAFCE5FE5D073C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17110996/files/figure.png	https://doi.org/10.5281/zenodo.17110996	FIGURES 1–2. Holotype and isotype of Nitella hollerbachii sp. nov., Russia (LE): 1—holotype, 2—isotype. Arrowheads indicate axillary heads. Double arrowheads indicate lobate axillary heads formed with well-developed lateral branches. Scale: 2 cm. Scans by S.D. Ivanov.	FIGURES 1–2. Holotype and isotype of Nitella hollerbachii sp. nov., Russia (LE): 1—holotype, 2—isotype. Arrowheads indicate axillary heads. Double arrowheads indicate lobate axillary heads formed with well-developed lateral branches. Scale: 2 cm. Scans by S.D. Ivanov.	2025-08-22	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.		Zenodo	biologists	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.			
9211C220FFD2FFF3D3FAFCE5FE5D073C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17110998/files/figure.png	https://doi.org/10.5281/zenodo.17110998	FIGURES 3–14. Morphological traits of Nitella hollerbachii sp. nov., Russia (LE): 3—part of well-developed fertile plant; 4—whorl of sterile branchlets with fertile branches clasping in dense heads situated at its base inside most compacted branchlets (×4); 5—general view of the isolated fertile branch (×10); 6—1–2–furcate fertile branchlet with geminate oogonia at first furcation (×30); 7—3–furcate fertile branchlet with geminate and solitary oogonia at first and second furcations, conjoined gametangia and solitary antheridium at second furcations from the same fertile branch as 6 (×30); 8–10—typical ends of sterile 1–furcate branchlets having very short dactyls forming corona (×50); 11—an example of unusual arrangement of sterile branchlet when branchlet is 2–furcate (×50); 12—coronula of oogonium (×200); 13—ripe oospore (×50); 14—surface of oospore fossa (×800). Drawings by M.M. Hollerbach (1946), 6–14—prepared with the help of Abbe’s drawing camera (Carl Zeiss, Jena, Germany).	FIGURES 3–14. Morphological traits of Nitella hollerbachii sp. nov., Russia (LE): 3—part of well-developed fertile plant; 4—whorl of sterile branchlets with fertile branches clasping in dense heads situated at its base inside most compacted branchlets (×4); 5—general view of the isolated fertile branch (×10); 6—1–2–furcate fertile branchlet with geminate oogonia at first furcation (×30); 7—3–furcate fertile branchlet with geminate and solitary oogonia at first and second furcations, conjoined gametangia and solitary antheridium at second furcations from the same fertile branch as 6 (×30); 8–10—typical ends of sterile 1–furcate branchlets having very short dactyls forming corona (×50); 11—an example of unusual arrangement of sterile branchlet when branchlet is 2–furcate (×50); 12—coronula of oogonium (×200); 13—ripe oospore (×50); 14—surface of oospore fossa (×800). Drawings by M.M. Hollerbach (1946), 6–14—prepared with the help of Abbe’s drawing camera (Carl Zeiss, Jena, Germany).	2025-08-22	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.		Zenodo	biologists	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.			
9211C220FFD2FFF3D3FAFCE5FE5D073C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17111000/files/figure.png	https://doi.org/10.5281/zenodo.17111000	FIGURES 15–20. Oospores of Nitella hollerbachii sp. nov., Russia (LE), general appearance with different expression of reticulate surface sculpture, scanning electron microscopy: 15–16—lateral view, arrowheads indicate basal poles; 17–20—view of reticulate to imperfectly reticulate fossae at different magnification; 18—closer view of fossa showing partial destruction of oospore surface (arrowheads) during preparation for microscopy and reticulate surface of rib (double arrowheads); 19–20—tangential views of fossa showing surface appearing imperfectly reticulate and smooth to indistinctly reticulate ribs (arrowheads). Scale: 15–16—100 μm, 17—50 μm, 18–19—20 μm, 20—10 μm. Photographs by V.Yu. Nikulin.	FIGURES 15–20. Oospores of Nitella hollerbachii sp. nov., Russia (LE), general appearance with different expression of reticulate surface sculpture, scanning electron microscopy: 15–16—lateral view, arrowheads indicate basal poles; 17–20—view of reticulate to imperfectly reticulate fossae at different magnification; 18—closer view of fossa showing partial destruction of oospore surface (arrowheads) during preparation for microscopy and reticulate surface of rib (double arrowheads); 19–20—tangential views of fossa showing surface appearing imperfectly reticulate and smooth to indistinctly reticulate ribs (arrowheads). Scale: 15–16—100 μm, 17—50 μm, 18–19—20 μm, 20—10 μm. Photographs by V.Yu. Nikulin.	2025-08-22	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.		Zenodo	biologists	Romanov, Roman E.;Nikulin, Vyacheslav Yu.;Nikulin, Arthur Yu.;Ivanov, Stepan D.;Gontcharov, Andrey A.			
