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FIGURES 55–67. E. pseudogroenlandica. 55–62 in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 55–67. E. pseudogroenlandica. 55–62. LM images; 63–67. SEM images; 63. External valve view; 64. Internal valve view; 66. Terminal ends of external valve; 65, 67. Terminal ends of internal valve, arrow show a rimoportula. LM scale bars, 10 μm.

FIGURES 39–54. E. pomeranica. 39–43 in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 39–54. E. pomeranica. 39–43. LM images; 44–46. SEM images; 44. External valve view; 45. Terminal ends of external valve; 46. Terminal ends of internal valve. Figs 47–54: E. michaelis. 47–51. LM images; 52–54. SEM images; 52. External valve view; 53–54. Terminal ends of external valve. LM scale bars, 10 μm.

FIGURES 28–38. E. odebrechtiana. 28–35 in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 28–38. E. odebrechtiana. 28–35. LM images; 36–38. SEM images; 36. Half external valve view; 37. Terminal ends of external valve; 38. Arrow show short striae of mantle in the middle. LM scale bars, 10 μm.

FIGURES 68–79. E. superpaludosa. 68–74 in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 68–79. E. superpaludosa. 68–74. LM images; 75–79. SEM images; 75. External valve view; 76–78. The ends of the raphe; 79. Areolae and velum. LM scale bars, 10 μm.

FIGURES 19–27. E in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 19–27. E. filiformis sp. nov. 19–22. LM images; 21. Holotype; 23–27. SEM images; 23–24 Terminal ends of internal valve, arrow show a hyaline areas; 25–26. Terminal ends of external valve, arrow show terminal raphe fissures; 27. External valve view. LM scale bars, 10 μm.

FIGURE 1 in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURE 1. Location of Mugecuo Scenic Area. Distribution of sample collection sites are indicated by black dots.

FIGURES 2–18. E in Eunotia (Bacillariophyta) biodiversity from high altitude, freshwater habitats in the Mugecuo Scenic Area, Sichuan Province, China

FIGURES 2–18. E. mugecuo sp. nov.. 2–13. LM images; 6. Holotype; 14–18 SEM images; 14. External valve end; 15. External valve view; 16. Internal valve view; 17–18. Terminal ends of internal valve, arrow show a rimoportula. LM scale bars, 10 μm.

FIGURE 2 in Neopestalotiopsis alpapicalis sp. nov. a new endophyte from tropical mangrove trees in Krabi Province (Thailand)

FIGURE 2. Neopestalotiopsis alpapicalis (holotype MFLU 19-0405) on healthy leaf of Rhizophora mucronata. and symptomatic leaf of R. apiculata b, c Colony on PDA (above and below). d Conidiomata on PDA. e, f Conidia germinating from mycelia. g Conidiogenous cell. h–l Conidia. Scale bars: e–h = 10 μm, i–l = 5 μm.

FIGURE 1 in Neopestalotiopsis alpapicalis sp. nov. a new endophyte from tropical mangrove trees in Krabi Province (Thailand)

FIGURE 1. Maximum-likelihood phylogenetic tree inferred from combined ITS, β-tub and TEF1 gene sequences of 65 taxa. The GTR+ Γ model of nucleotide evolution was used. Strains of the newly described species are depicted in bold lettering. Values at tree nodes indicate bootstrap support and posterior probabilities in that order. Only bootstrap values above 60 and posterior probabilities above 0.9 are shown. Dashes indicate BP/BI with less than 50/0.9. The tree is artificially rooted to Pestalotiopsis humus (CBS 336.97), P. anacardiacearum (IFRDCC 2397), P. adusta (ICMP 6088), P. linearis (MFLUCC 12-0271) and P. inflexa (MFLUCC 12-0270).

FIGURE 5 in Dinobryon taiyuanensis (Chrysophyta, Dinobryaceae), a new freshwater species described from Shanxi province, China

FIGURE 5. Morphological structures of D. sertularia (a), D. sociale (b) and D. ningwuensis (c). Scale bar 10 μm (a-b), 20μm(c). The picture a-b gets from AlgaeBase (http://www.algaebase.org/search/genus/detail/?genus_id=Vf48590e82d125c8b).

FIGURE 3 in Dinobryon taiyuanensis (Chrysophyta, Dinobryaceae), a new freshwater species described from Shanxi province, China

FIGURE 3. ML phylogenetic tree based on SSU sequences from species of Dinobryon. Support values>50% for all analyses are shown on branches as follows: maximum likelihood bootstrap values (ML) / Bayesian posterior probabilities (BA) / Neighbor-joining distance bootstrap (NJ). '-' denotes <50% support for that analyses at that node. The new sequences generated in this study are in black.

FIGURE 4 in Dinobryon taiyuanensis (Chrysophyta, Dinobryaceae), a new freshwater species described from Shanxi province, China

FIGURE 4. ML phylogenetic tree based on ITS sequences from species of Dinobryon. Support values>50% for all analyses are shown on branches as follows: maximum likelihood bootstrap values (ML) / Bayesian posterior probabilities (BA) / Neighbor-joining distance bootstrap (NJ). '-' denotes <50% support for that analyses at that node. The new sequences generated in this study are in black.

FIGURE 2 in Dinobryon taiyuanensis (Chrysophyta, Dinobryaceae), a new freshwater species described from Shanxi province, China

FIGURE 2. Colonial growth habit and morphological features of D. taiyuanensis. Scale bar 20 μm (a), 10 μm (b). a-b. Vegetative structure of D.taiyuanensis, with lorica details evident in Fig. 2b.

FIGURES 10–13. SEM, external views. Fig. 10 in Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

FIGURES 10–13. SEM, external views. Fig. 10. External view of an entire valve. Fig. 11. Ventral view of entire frustule with girdle bands. Fig. 12. Entire valve seen from the dorsal side in oblique view showing the dorsal mantle and girdle bands. Fig. 13. Entire valve seen from the dorsal side showing the girdle band areolae. Scale bars = 10 μm.

FIGURES 1–9 in Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

FIGURES 1–9. LM micrographs of the type population of Halamphora daochengensis in Lake Congqiancuo. Figs 1–7. Valve views, showing the valve variability of the holotype population. Figs 8, 9. Light micrographs showing the frustule in girdle view. Scale bar = 10 μm.

FIGURES 14–19 in Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

FIGURES 14–19. SEM, detail of external valve views. Fig. 14. View of central area with numerous girdle bands. Figs 15, 16. View of frustule end and girdle bands with rows of rounded poroids. Fig. 17. External detail of the valve centre. Fig. 18. External detail of valve apex showing the prominent raphe ledge. Fig. 19. External detail of part of the dorsal valve, valve face/mantle margin and mantle. Scale bars =2 μm (Figs 14, 17), 3 μm (Fig. 18), 5 μm (Figs 15, 16, 19).

FIGURES 20–25. SEM, internal valve views. Fig. 20 in Halamphora daochengensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from a small mountain lake, Sichuan Province, China

FIGURES 20–25. SEM, internal valve views. Fig. 20. Internal view of entire valve with girdle bands. Fig. 21. Oblique view of valve. Fig. 22, 23. Internal view of valve apex with prominent helictoglossa. Fig. 24. Internal view of valve centre with girdle bands. Fig. 25. Internal view of valve centre with fused helictoglossa. Scale bars = 2 μm (Figs 22, 23), 3 μm (Fig. 25), 5 μm (Figs 20, 21, 24).

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FIGURES 352–355 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China

FIGURES 352–355. Achnanthidium subtilissimum sp. nov. SEM views of rapheless valve. 352. External view of an entire rapheless valve. 353. Detail of the areolae on the external of the rapheless valve. 354. Internal view of an entire rapheless valve. 355. Internal areola openings with fine hymenate structures. Scale bars 1 μm (352, 354), 0.1 μm (353, 355).

opennotspecifiedJun 2019View details →

FIGURES 356–404 in Five new Achnanthidiaceae species (Bacillariophyta) from Jiuzhai Valley, Sichuan Province, Southwestern China

FIGURES 356–404. Kolbesia sichuanenis sp. nov. 356–378. LM of raphe valve. 379–402. LM of rapheless valve. 356, 379. Holotype. 403–404. SEM views of raphe valve. 403. External view of an entire raphe valve. 404. Internal view of an entire raphe valve. Scale bars 10 μm (356–402), 1 μm (403–404).