taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
28354A22FF8FFFF3FCE735AC2B927B4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669085/files/figure.png	https://doi.org/10.5281/zenodo.14669085	Figures 1–10: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. from Korea. Thallus habit. (1) In sitU habit from the subtidal of Udo, Jeju Island. (2–10) Pressed specimens on herbarium sheets from Udo, Jeju Island (2, JN1505098-R2, female; 3, JN120705-36, female; 4, 130607-1, tetrasporic), Busan (5, JN121103-11, female; 6, JN121220-01, male; 7, 121103-80, tetrasporic), Haenam (8, JN140418-06, female; 9, JN140418-07, tetrasporic), and Taean (10, JN160224-1, tetrasporic). Scale bars: 3, 5, 7 = 2 cm; 2, 4, 6, 8–10 =5 cm.	Figures 1–10: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. from Korea. Thallus habit. (1) In sitU habit from the subtidal of Udo, Jeju Island. (2–10) Pressed specimens on herbarium sheets from Udo, Jeju Island (2, JN1505098-R2, female; 3, JN120705-36, female; 4, 130607-1, tetrasporic), Busan (5, JN121103-11, female; 6, JN121220-01, male; 7, 121103-80, tetrasporic), Haenam (8, JN140418-06, female; 9, JN140418-07, tetrasporic), and Taean (10, JN160224-1, tetrasporic). Scale bars: 3, 5, 7 = 2 cm; 2, 4, 6, 8–10 =5 cm.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF3FCE735AC2B927B4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669087/files/figure.png	https://doi.org/10.5281/zenodo.14669087	Figures 11–30: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. Vegetative structures. (11–12) Holdfast and stipe from rope (11) and rhodolith (12). (13) Cross-section of stipe. (14) Basal portion of blade with the evanescent fanwise radiating thickened nerves. (15–19) Cross-sections of blade through base (15), nerves (16), lower (17), middle (18) and upper (19) portions of blade. (20–23) Cortical cells and chloroplasts from the near meristematic (20), upper (21), middle (22) and lower (23) parts of blade. (24) Diagram of apical organization of young blade with the order of cell-rows (numbers) and cells produced by intercalary divisions (i), thick-walled cells (black arrows) budded off from cortical cells, and linked by secondary pit connections to adjacent cells, and traces of oblique divisions (red arrowheads). (25–26) Tips of young thalli growing by means of transverse (25) and oblique (26) divisions of an apical cell. (27–28) Tips of mature blades with transversely (27) and obliquely (28) dividing apical cell. (29–30) Marginal crenulations. Scale bars: 12, 14 = 5 mm; 11 = 1 mm; 15–16 = 500 µm; 13, 17 = 200 µm; 18, 29 = 100 µm; 19, 25–28, 30 = 50 µm; 21–23 = 30 µm; 20 = 10 µm.	Figures 11–30: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. Vegetative structures. (11–12) Holdfast and stipe from rope (11) and rhodolith (12). (13) Cross-section of stipe. (14) Basal portion of blade with the evanescent fanwise radiating thickened nerves. (15–19) Cross-sections of blade through base (15), nerves (16), lower (17), middle (18) and upper (19) portions of blade. (20–23) Cortical cells and chloroplasts from the near meristematic (20), upper (21), middle (22) and lower (23) parts of blade. (24) Diagram of apical organization of young blade with the order of cell-rows (numbers) and cells produced by intercalary divisions (i), thick-walled cells (black arrows) budded off from cortical cells, and linked by secondary pit connections to adjacent cells, and traces of oblique divisions (red arrowheads). (25–26) Tips of young thalli growing by means of transverse (25) and oblique (26) divisions of an apical cell. (27–28) Tips of mature blades with transversely (27) and obliquely (28) dividing apical cell. (29–30) Marginal crenulations. Scale bars: 12, 14 = 5 mm; 11 = 1 mm; 15–16 = 500 µm; 13, 17 = 200 µm; 18, 29 = 100 µm; 19, 25–28, 30 = 50 µm; 21–23 = 30 µm; 20 = 10 µm.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF7FCE736702C6F7D3D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669085/files/figure.png	https://doi.org/10.5281/zenodo.14669085	Figures 1–10: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. from Korea. Thallus habit. (1) In sitU habit from the subtidal of Udo, Jeju Island. (2–10) Pressed specimens on herbarium sheets from Udo, Jeju Island (2, JN1505098-R2, female; 3, JN120705-36, female; 4, 130607-1, tetrasporic), Busan (5, JN121103-11, female; 6, JN121220-01, male; 7, 121103-80, tetrasporic), Haenam (8, JN140418-06, female; 9, JN140418-07, tetrasporic), and Taean (10, JN160224-1, tetrasporic). Scale bars: 3, 5, 7 = 2 cm; 2, 4, 6, 8–10 =5 cm.	Figures 1–10: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. from Korea. Thallus habit. (1) In sitU habit from the subtidal of Udo, Jeju Island. (2–10) Pressed specimens on herbarium sheets from Udo, Jeju Island (2, JN1505098-R2, female; 3, JN120705-36, female; 4, 130607-1, tetrasporic), Busan (5, JN121103-11, female; 6, JN121220-01, male; 7, 121103-80, tetrasporic), Haenam (8, JN140418-06, female; 9, JN140418-07, tetrasporic), and Taean (10, JN160224-1, tetrasporic). Scale bars: 3, 5, 7 = 2 cm; 2, 4, 6, 8–10 =5 cm.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF7FCE736702C6F7D3D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669087/files/figure.png	https://doi.org/10.5281/zenodo.14669087	Figures 11–30: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. Vegetative structures. (11–12) Holdfast and stipe from rope (11) and rhodolith (12). (13) Cross-section of stipe. (14) Basal portion of blade with the evanescent fanwise radiating thickened nerves. (15–19) Cross-sections of blade through base (15), nerves (16), lower (17), middle (18) and upper (19) portions of blade. (20–23) Cortical cells and chloroplasts from the near meristematic (20), upper (21), middle (22) and lower (23) parts of blade. (24) Diagram of apical organization of young blade with the order of cell-rows (numbers) and cells produced by intercalary divisions (i), thick-walled cells (black arrows) budded off from cortical cells, and linked by secondary pit connections to adjacent cells, and traces of oblique divisions (red arrowheads). (25–26) Tips of young thalli growing by means of transverse (25) and oblique (26) divisions of an apical cell. (27–28) Tips of mature blades with transversely (27) and obliquely (28) dividing apical cell. (29–30) Marginal crenulations. Scale bars: 12, 14 = 5 mm; 11 = 1 mm; 15–16 = 500 µm; 13, 17 = 200 µm; 18, 29 = 100 µm; 19, 25–28, 30 = 50 µm; 21–23 = 30 µm; 20 = 10 µm.	Figures 11–30: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. Vegetative structures. (11–12) Holdfast and stipe from rope (11) and rhodolith (12). (13) Cross-section of stipe. (14) Basal portion of blade with the evanescent fanwise radiating thickened nerves. (15–19) Cross-sections of blade through base (15), nerves (16), lower (17), middle (18) and upper (19) portions of blade. (20–23) Cortical cells and chloroplasts from the near meristematic (20), upper (21), middle (22) and lower (23) parts of blade. (24) Diagram of apical organization of young blade with the order of cell-rows (numbers) and cells produced by intercalary divisions (i), thick-walled cells (black arrows) budded off from cortical cells, and linked by secondary pit connections to adjacent cells, and traces of oblique divisions (red arrowheads). (25–26) Tips of young thalli growing by means of transverse (25) and oblique (26) divisions of an apical cell. (27–28) Tips of mature blades with transversely (27) and obliquely (28) dividing apical cell. (29–30) Marginal crenulations. Scale bars: 12, 14 = 5 mm; 11 = 1 mm; 15–16 = 500 µm; 13, 17 = 200 µm; 18, 29 = 100 µm; 19, 25–28, 30 = 50 µm; 21–23 = 30 µm; 20 = 10 µm.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF7FCE736702C6F7D3D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669089/files/figure.png	https://doi.org/10.5281/zenodo.14669089	Figures 48–54: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. (48–51) Male reproductive structures. (48–49) Surface views of blades bearing spermatangial sori (ss) with spermatangial mother cells (sm), spermatangia (st), and sperm (sp). (50–51) Cross-sections through young (50) and mature (51) spermatangial sorus showing fertile central cells (cc) and spermatangial mother cell initial (smi), spermatangial mother cell (sm), and spermatangia (st). (52–54) Reproductive structures of tetrasporophyte. (52) Surface view of tetrasporangial sori (tss). (53–54) Cross-sections of young (53) and mature (54) tetrasporangial sorus showing tetrasporangial initials (ti) connected with inner fertile central cells (cc) by pit-connections (arrowheads), cortical cells (ct), subcortical cells (sct), and two layers of tetrasporangia. Scale bars: 48, 52 = 2 mm; 54 = 100 µm; 49–51, 53 = 50 µm.	Figures 48–54: NeoharaldiophyllUm Udoense (M.S. Kim et J.C. Kang) J.C. Kang et M.S. Kim comb. nov. (48–51) Male reproductive structures. (48–49) Surface views of blades bearing spermatangial sori (ss) with spermatangial mother cells (sm), spermatangia (st), and sperm (sp). (50–51) Cross-sections through young (50) and mature (51) spermatangial sorus showing fertile central cells (cc) and spermatangial mother cell initial (smi), spermatangial mother cell (sm), and spermatangia (st). (52–54) Reproductive structures of tetrasporophyte. (52) Surface view of tetrasporangial sori (tss). (53–54) Cross-sections of young (53) and mature (54) tetrasporangial sorus showing tetrasporangial initials (ti) connected with inner fertile central cells (cc) by pit-connections (arrowheads), cortical cells (ct), subcortical cells (sct), and two layers of tetrasporangia. Scale bars: 48, 52 = 2 mm; 54 = 100 µm; 49–51, 53 = 50 µm.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF7FCE736702C6F7D3D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669093/files/figure.png	https://doi.org/10.5281/zenodo.14669093	Figure 55: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from plastid-encoded rbcL sequence data. Bootstrap values (1000 replicates) are shown above branches. Scale bar represents substitutions per site.	Figure 55: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from plastid-encoded rbcL sequence data. Bootstrap values (1000 replicates) are shown above branches. Scale bar represents substitutions per site.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF8FFFF7FCE736702C6F7D3D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669095/files/figure.png	https://doi.org/10.5281/zenodo.14669095	Figure 56: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from combined rbcL and LSU sequence data with bootstrap values (1000 replicates) above branches. Scale bar represents substitutions per site. To right of tree, diagrams of female reproductive structures for the clades Schizoserideae and Myriogrammeae. (A) Comparatively small fusion cell (fu: black cell), and secondarily fused primary gonimoblast filaments (gon: gray cells) with many floor cells of cystocarp in the genus NeoharaldiophyllUm. (B) Free primary gonimoblast filaments (gon: gray cells) without secondary fusion, and a large fusion cell (fu: black cell) incorporated with a few floor cells of cystocarp in the genera HaraldiophyllUm and Myriogramme. (C) Single terminal carposporangia in the genera NeoharaldiophyllUm and HaraldiophyllUm. (D) Chains of carposporangia in the genus Myriogramme and the tribe Schizoserideae. (E) Procarp with a cover cell group (co) and two sterile cell groups (gray cells) in the tribe Myriogrammeae. (F) Procarp with two sterile cell groups (gray cells) without any cover cell group in the tribe Schizoserideae.	Figure 56: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from combined rbcL and LSU sequence data with bootstrap values (1000 replicates) above branches. Scale bar represents substitutions per site. To right of tree, diagrams of female reproductive structures for the clades Schizoserideae and Myriogrammeae. (A) Comparatively small fusion cell (fu: black cell), and secondarily fused primary gonimoblast filaments (gon: gray cells) with many floor cells of cystocarp in the genus NeoharaldiophyllUm. (B) Free primary gonimoblast filaments (gon: gray cells) without secondary fusion, and a large fusion cell (fu: black cell) incorporated with a few floor cells of cystocarp in the genera HaraldiophyllUm and Myriogramme. (C) Single terminal carposporangia in the genera NeoharaldiophyllUm and HaraldiophyllUm. (D) Chains of carposporangia in the genus Myriogramme and the tribe Schizoserideae. (E) Procarp with a cover cell group (co) and two sterile cell groups (gray cells) in the tribe Myriogrammeae. (F) Procarp with two sterile cell groups (gray cells) without any cover cell group in the tribe Schizoserideae.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
28354A22FF83FFE0FF7930152A3378C6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14669093/files/figure.png	https://doi.org/10.5281/zenodo.14669093	Figure 55: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from plastid-encoded rbcL sequence data. Bootstrap values (1000 replicates) are shown above branches. Scale bar represents substitutions per site.	Figure 55: Maximum likelihood phylogenetic tree for the subfamily Phycodryoideae derived from plastid-encoded rbcL sequence data. Bootstrap values (1000 replicates) are shown above branches. Scale bar represents substitutions per site.	2017-01-28	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook		Zenodo	biologists	Kang, Jeong Chan;Yang, Mi Yeon;Kim, Myung Sook			
