taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
F336CC7E5D7D0227AEB4A0B6FF2EFA5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698306/files/figure.png	https://doi.org/10.5281/zenodo.13698306	FIGURE 4. Steinera isidiata. a–c Fertile and isidiate thalli (Ertz 20689). d Thallus almost entirely covered by isidia (Poulsen 233). e–f Sections of upper part of thallus (Ertz 20689). g Section of lower part of thallus (Ertz 20689). h Photobiont (Ertz 20689). i Ascus (Ertz 20689). j Ascospores in water (Ertz 20689). Scale bars: a=1.5 mm, b–d=0.5 mm, e=25 μm, f–i=10 μm, j=5 μm. (Photos D. Ertz)	FIGURE 4. Steinera isidiata. a–c Fertile and isidiate thalli (Ertz 20689). d Thallus almost entirely covered by isidia (Poulsen 233). e–f Sections of upper part of thallus (Ertz 20689). g Section of lower part of thallus (Ertz 20689). h Photobiont (Ertz 20689). i Ascus (Ertz 20689). j Ascospores in water (Ertz 20689). Scale bars: a=1.5 mm, b–d=0.5 mm, e=25 μm, f–i=10 μm, j=5 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D7F0220AEB4A7DEFE8EFEB6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698308/files/figure.png	https://doi.org/10.5281/zenodo.13698308	FIGURE 5. Steinera latispora (Ertz 20966). a–b Thallus and apothecia. Scale bars: a=1.5 mm, b=0.5 mm. (Photos D. Ertz)	FIGURE 5. Steinera latispora (Ertz 20966). a–b Thallus and apothecia. Scale bars: a=1.5 mm, b=0.5 mm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D780222AEB4A14BFB8CFC9A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698312/files/figure.png	https://doi.org/10.5281/zenodo.13698312	FIGURE 6. Steinera lebouvieri. a Fertile thallus (Crozet, Île de La Possession, Mont du Mischief). b–c Thallus and apothecia (Ertz 20867). d Section of apothecia (Ertz 20867). e Section of thallus (Ertz 20867). f Asci (Ertz 20826). g Ascospores in KI (left one) and in water (Ertz 20867, except the before last Ertz 20826). Scale bars: b=1.5 mm, c=0.5 mm, d =0.1 mm, e=50 μm, f–g=10 μm. (Photos D. Ertz)	FIGURE 6. Steinera lebouvieri. a Fertile thallus (Crozet, Île de La Possession, Mont du Mischief). b–c Thallus and apothecia (Ertz 20867). d Section of apothecia (Ertz 20867). e Section of thallus (Ertz 20867). f Asci (Ertz 20826). g Ascospores in KI (left one) and in water (Ertz 20867, except the before last Ertz 20826). Scale bars: b=1.5 mm, c=0.5 mm, d =0.1 mm, e=50 μm, f–g=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D7A023FAEB4A19EFF7FFD12.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698314/files/figure.png	https://doi.org/10.5281/zenodo.13698314	FIGURE 7. Steinera membranacea. a Fertile thalli on pebbles in damp situations (Kerguelen, Presqu’Île Jeanne d’Arc). b Thallus and apothecia (Kerguelen, Île Guillou). c–e Thallus and apothecia (Ertz 19126). f Longitudinal section of thallus lobe in lactophenol blue coton (Ertz 19126). g Upper part of ascus in water (Ertz 19126). g Ascospores in water (Ertz 19126). Scale bars: c=1.5 mm, d–e=0.5 mm, f=50 μm, g–h=10 μm. (Photos D. Ertz)	FIGURE 7. Steinera membranacea. a Fertile thalli on pebbles in damp situations (Kerguelen, Presqu’Île Jeanne d’Arc). b Thallus and apothecia (Kerguelen, Île Guillou). c–e Thallus and apothecia (Ertz 19126). f Longitudinal section of thallus lobe in lactophenol blue coton (Ertz 19126). g Upper part of ascus in water (Ertz 19126). g Ascospores in water (Ertz 19126). Scale bars: c=1.5 mm, d–e=0.5 mm, f=50 μm, g–h=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D7A023FAEB4A19EFF7FFD12.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698316/files/figure.png	https://doi.org/10.5281/zenodo.13698316	FIGURE 8. Steinera molybdoplaca. a Fertile non-sorediate thallus (Kerguelen, Île Guillou). b Fertile non sorediate thallus (Crozet, Île de La Possession). c–d Thallus and apothecia (lectotype). e Sorediate thallus (Kerguelen, Val Studer). f Ascus in lugol (Ertz 18932). g Ascus in KI (Ertz 18932). h Ascus in water (Ertz 18932). i Ascospores in water (Ertz 18932). Scale bars: c=1.5 mm, d =0.5 mm, f–h=20 μm, i=10 μm. (Photos D. Ertz)	FIGURE 8. Steinera molybdoplaca. a Fertile non-sorediate thallus (Kerguelen, Île Guillou). b Fertile non sorediate thallus (Crozet, Île de La Possession). c–d Thallus and apothecia (lectotype). e Sorediate thallus (Kerguelen, Val Studer). f Ascus in lugol (Ertz 18932). g Ascus in KI (Ertz 18932). h Ascus in water (Ertz 18932). i Ascospores in water (Ertz 18932). Scale bars: c=1.5 mm, d =0.5 mm, f–h=20 μm, i=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D7A023FAEB4A19EFF7FFD12.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698304/files/figure.png	https://doi.org/10.5281/zenodo.13698304	FIGURE 3. Phylogenetic relationships among 27 Steinera samples (with Gregorella humida as outgroup) based on a dataset of nuLSU, mtSSU, RPB1 and nuITS sequences that resulted from a Bayesian analysis using MrBayes. Posterior probabilities ≥ 0.95 are shown above internal branches, and Maximum Likelihood bootstrap values ≥ 70 obtained from a Garli analysis are shown below internal branches. Internal branches, considered strongly supported by both analyses, are represented by thicker lines. All Steinera samples are newly sequenced. Lineages representing new species of Steinera are highlighted.	FIGURE 3. Phylogenetic relationships among 27 Steinera samples (with Gregorella humida as outgroup) based on a dataset of nuLSU, mtSSU, RPB1 and nuITS sequences that resulted from a Bayesian analysis using MrBayes. Posterior probabilities ≥ 0.95 are shown above internal branches, and Maximum Likelihood bootstrap values ≥ 70 obtained from a Garli analysis are shown below internal branches. Internal branches, considered strongly supported by both analyses, are represented by thicker lines. All Steinera samples are newly sequenced. Lineages representing new species of Steinera are highlighted.	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D670239AEB4A11FFC4BFAC6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698320/files/figure.png	https://doi.org/10.5281/zenodo.13698320	FIGURE 9. Steinera pannarioides. a Thallus and apothecia (Kerguelen, Presqu’Île Jeanne d’Arc). b Thallus and apothecia (Crozet, Île de La Possession). c–d Thallus and apothecia (Ertz 20687). e Photobiont (Ertz 18982). f Epihymenium in water (Ertz 18982). g Ascus in water (Ertz 19096). h Ascospores in water and one in KI (right one) (Ertz 19096). i Conidia in water (Ertz 18719). Scale bars: c=1.5 mm, d=0.5 mm, e–f=10 μm, g=20 μm, h–i=10 μm. (Photos D. Ertz)	FIGURE 9. Steinera pannarioides. a Thallus and apothecia (Kerguelen, Presqu’Île Jeanne d’Arc). b Thallus and apothecia (Crozet, Île de La Possession). c–d Thallus and apothecia (Ertz 20687). e Photobiont (Ertz 18982). f Epihymenium in water (Ertz 18982). g Ascus in water (Ertz 19096). h Ascospores in water and one in KI (right one) (Ertz 19096). i Conidia in water (Ertz 18719). Scale bars: c=1.5 mm, d=0.5 mm, e–f=10 μm, g=20 μm, h–i=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D630236AEB4A396FBA5FBE6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698322/files/figure.png	https://doi.org/10.5281/zenodo.13698322	FIGURE 10. Henssenia glaucella. a Thallus in damp situation (Crozet, Île de La Possession). b Thallus and apothecia (Crozet, Île de La Possession). c–d Thallus and apothecia (Ertz 21005). e Longitudinal section of thallus lobe (Ertz 18735). f Section in upper part of thallus (Ertz 18735). g Photobiont (Ertz 20673). h Photobiont (Ertz 18735). Scale bars: c=1.5 mm, d =0.5 mm, e=200 μm, f–h=20 μm. (Photos D. Ertz)	FIGURE 10. Henssenia glaucella. a Thallus in damp situation (Crozet, Île de La Possession). b Thallus and apothecia (Crozet, Île de La Possession). c–d Thallus and apothecia (Ertz 21005). e Longitudinal section of thallus lobe (Ertz 18735). f Section in upper part of thallus (Ertz 18735). g Photobiont (Ertz 20673). h Photobiont (Ertz 18735). Scale bars: c=1.5 mm, d =0.5 mm, e=200 μm, f–h=20 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D630236AEB4A396FBA5FBE6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698324/files/figure.png	https://doi.org/10.5281/zenodo.13698324	FIGURE 11. Henssenia glaucella. a Section in an apothecium in lugol (Ertz 20865). b Section in an apothecium in KI (Ertz 20865). c Ascus in lugol (Ertz 18735). d Ascospores in water (Ertz 18735, 20673, 20865) e Conidia in water (Ertz 18735). f–g Thallus (Holotype, FH). h Ascospores in KOH (holotype, FH). i Ascus in lugol (holotype, FH). Scale bars: a–b=0.2 mm, c=20 μm, d–e=10 μm, f =1,5 mm, g=1 mm, h–i=10 μm. (Photos D. Ertz)	FIGURE 11. Henssenia glaucella. a Section in an apothecium in lugol (Ertz 20865). b Section in an apothecium in KI (Ertz 20865). c Ascus in lugol (Ertz 18735). d Ascospores in water (Ertz 18735, 20673, 20865) e Conidia in water (Ertz 18735). f–g Thallus (Holotype, FH). h Ascospores in KOH (holotype, FH). i Ascus in lugol (holotype, FH). Scale bars: a–b=0.2 mm, c=20 μm, d–e=10 μm, f =1,5 mm, g=1 mm, h–i=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D6E0230AEB4A64AFB6CFDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698328/files/figure.png	https://doi.org/10.5281/zenodo.13698328	FIGURE 12. Henssenia subglaucella. a–c Thalli and apothecia (Ertz 20556). d Section in thallus (Ertz 20556). e Photobiont (Poulsen 92). f Ascus in KI (Poulsen 92). g Ascus with ascospores in KOH (Poulsen 92). h Ascospores in water (Poulsen 92). i Ascospores in KI (Poulsen 92). Scale bars: a–b=1.5 mm, c=0.5 mm, d =25 μm, e=10 μm, f=5 μm, g–i=10 μm. (Photos D. Ertz)	FIGURE 12. Henssenia subglaucella. a–c Thalli and apothecia (Ertz 20556). d Section in thallus (Ertz 20556). e Photobiont (Poulsen 92). f Ascus in KI (Poulsen 92). g Ascus with ascospores in KOH (Poulsen 92). h Ascospores in water (Poulsen 92). i Ascospores in KI (Poulsen 92). Scale bars: a–b=1.5 mm, c=0.5 mm, d =25 μm, e=10 μm, f=5 μm, g–i=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
F336CC7E5D680232AEB4A042FF7FFF22.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13698330/files/figure.png	https://doi.org/10.5281/zenodo.13698330	FIGURE 13. Henssenia werthii. a–b Thalli and apothecia (Kerguelen, Ravin du Mica). c Apothecia (Ertz 21009). d Section in an apothecium in water (Ertz 21027). e Photobiont in water (Ertz 18977). f Ascus in KOH (Ertz 21027). g Ascus in KI (Ertz 21027). h Ascospores in water (Ertz 21027). Scale bars: b=1.5 mm, c=0.5 mm, d =100 μm, e=10 μm, f=20 μm, g–h=10 μm. (Photos D. Ertz)	FIGURE 13. Henssenia werthii. a–b Thalli and apothecia (Kerguelen, Ravin du Mica). c Apothecia (Ertz 21009). d Section in an apothecium in water (Ertz 21027). e Photobiont in water (Ertz 18977). f Ascus in KOH (Ertz 21027). g Ascus in KI (Ertz 21027). h Ascospores in water (Ertz 21027). Scale bars: b=1.5 mm, c=0.5 mm, d =100 μm, e=10 μm, f=20 μm, g–h=10 μm. (Photos D. Ertz)	2017-10-13	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik		Zenodo	biologists	Ertz, Damien;Poulsen, Roar S.;Charrier, Maryvonne;Søchting, Ulrik			
