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12 results for “Arctomiaceae”
FIGURE 11. Henssenia glaucella. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 7. Steinera membranacea. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 4. Steinera isidiata. a–c in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 8. Steinera molybdoplaca. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 1 in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
FIGURE 1. Landscapes and habitats rich in Steinera species in Crozet (a-b) and Kerguelen (c-f). a Pic du Mascarin view from summit of Mont du Mischief. b Stream of Crique de la Chaloupe. c Rivière du Sud (right) and Lac Supérieur of Val Studer (left). d Ravine near Lac Supérieur (Val Studer). e Ravin du Mica. f Golfe du Morbihan view from Île Australia. (Photos D. Ertz)
FIGURE 10. Henssenia glaucella. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 3. Phylogenetic relationships among 27 in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 13. Henssenia werthii. a–b in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 9. Steinera pannarioides. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 12. Henssenia subglaucella. a–c in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 6. Steinera lebouvieri. a in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
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 5 in Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen
FIGURE 5. Steinera latispora (Ertz 20966). a–b Thallus and apothecia. Scale bars: a=1.5 mm, b=0.5 mm. (Photos D. Ertz)
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