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43 results for “Grunow”
FIGURES 46–52 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 46–52. SEM microphotographs of Hantzschia minima sp. nov., scale bar = 10 µm (46–48), 2 µm (49–52).
FIGURE 94. A in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURE 94. A comparison of basic morphological features for studied Hantzschia species. HAMP—H. amphioxys, HMIN—H. minima sp. nov., HTOK—H. tokarczukiana sp. nov., HMAL—H. malaysiana sp. nov., HBEK—H. beksinskii sp. nov. Boxes represent interquartile ranges (25th and 75th), middle lines are medians, whiskers are non-outlier ranges beyond the boxes, and dots are outliers.
FIGURES 28–45 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 28–45. LM microphotographs of Hantzschia malaysiana sp. nov. (28–37) and H. beksinskii sp. nov. (38–45) in size diminution series, scale bar = 10 µm.
FIGURES 61–67 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 61–67. SEM microphotographs of Hantzschia malaysiana sp. nov., scale bar = 10 µm (61, 62), 5 µm (63–67).
FIGURES 68–74 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 68–74. SEM microphotographs of Hantzschia beksinskii sp. nov., scale bar = 10 µm (68, 69), 5 µm (70–74).
FIGURES 93–100. Odontidium neolongissimum, SEM. W Grunow 1214 in Reinvestigation of the type material for Odontidium hyemale (Roth) Kützing and related species, with description of four new species in the genus Odontidium (Fragilariaceae, Bacillariophyta)
FIGURES 93–100. Odontidium neolongissimum, SEM. W Grunow 1214, River Talfer near Runkelstein, Italy. 93. View of whole valve. 94. Details of valve face with pore field, rimoportulae and marginal spines near pole. 95. Girdle view of whole frustule. 96. Details of valve face with rimoportulae and marginal spines near valve centre. 97. Details of valve mantle, spines and girdle bands. 98. Internal view near valve centre with rimoportulae. 99. Internal view of whole valve. 100. Internal view of pole with pore field and rimoportulae. Scale bars = 10 μm (Figs 93, 99), 2 μm (Figs 94–96, 100), 1 μm (Figs 97, 98).
FIGURES 34–39. Navicula rumaniensis Hust. 34, 35 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 34–39. Navicula rumaniensis Hust. 34, 35. SEM internal images of the valve from Hustedt Collection—E8338 Rumänien 8, in oblique and straight position. 37, 39. Internal images of small helictoglossae and pseudosepta. 38. External distal raphe fissure deflected, extending as narrow fissures onto the valve apex margins. 37, 38. Hustedt Collection, E8338 Rumänien 8. 39. Valve from Pantocsek Collection. Scale bars: 34, 36 = 20 μm; 37, 39 = 5 μm; 38 = 2 μm.
FIGURES 15–17 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 15–17. SEM external images of Navicula reinhardtii var. gracilior Grunow in Van Heurck. 15. Raphe sternum prominent and elevated through most of the axial area, becoming confluent towards the apices. 16. External proximal raphe ends forked with a distinct silicate tongue, entering the raphe fissure. 17. External distal raphe fissures extending slightly curved to one side and continuing onto the valve apex mantle.
FIGURES 29–33. Navicula rumaniensis Hust. 29 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 29–33. Navicula rumaniensis Hust. 29. Reproduction of the original drawing in Schmidt' Atlas. 30–33. LM photographs of valves from Hustedt Collection and Pantocsek Collection. 30. Slide N17/27 unnamed, marked by Hustedt specimen (slides in Hustedt collection have only his description—Fossils, Rumänien; no slide has the name with N. rumaniensis). 31 a, b. The same valve at different focus from the slide X7/34—mentioned by Simonsen (1987) as with marked specimen—Holotype slide. Scale bar = 10 μm.
FIGURES 50–55 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 50–55. Navicula friedelhinziae Wojtal, Ognjanova-Rumenova, Buczkó & Van de Vijver, sp. nov., SEM, internal images. 51. Details of a central area—raphe slit narrow and straight, running on a thickened, raised sternum. 52, 53. Raphe ends slightly expanded and unilaterally bent and one large poroid located over the helictoglossa. 54, 55. Two apices with corroded poroids showing their ultrastructure. Scale bars: 50 = 10 μm; 51, 52 = 4 μm; 53–55 = 1 μm.
FIGURES 1–14 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 1–14. LM. 1–7. Navicula digitoradiata var. striolata Grunow in Cleve & Grunow. 1. The lectotype of N. digitoradiata var. striolata Grunow in Cleve & Grunow exsiccata n° 25 (collection entry II-2-C1) sampled from Degeberga (Sweden), housed in Van Heurck Collection. 8–14. Navicula reinhardtii var. gracilior Grunow, Types du Synopsis de Belgique nº 80 (collection entry V-25-B8), from from Rouge-Cloître (Belgium), in Van Heurck collection. 13. The lectotype of N. reinhardtii var. gracilior Grunow, slide II-2-C1, housed in Van Heurck Collection. Scale bar = 10 μm.
FIGURES 45–49 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 45–49. Navicula friedelhinziae Wojtal, Ognjanova-Rumenova, Buczkó & Van de Vijver, sp. nov. 45–47. LM images of N. friedelhinziae from Lom basin showing broadly lanceolate valves with obtusely rounded axial area and central area irregular, transversely widened. 45. Holotype from the slide LoB-T4/4274. 48, 49. External valves SEM images showing details of a valve central area. Scale bars: 45–48 = 10 μm; 49 = 5 μm.
FIGURES 40–44. Navicula rumaniensis Hust., SEM. 41–44 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 40–44. Navicula rumaniensis Hust., SEM. 41–44. External view of the frustule in oblique (41) and straight position (42–44) with details of central and apical frustules parts. 40–44. Valves from Pantocsek Collection. Scale bars: 40 = 25 μm; 41, 42 = 20 μm; 43, 44 = 5 μm.
FIGURES 22–28 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 22–28. Navicula striolata (Grunow in Cleve & Grunow) Lange-Bertalot. 24–28. SEM images showing typical characters of the species, i.e. raphe sternum prominent and elevated through most of the axial area; external proximal raphe ends forked with a distinct silicate tongue, entering the raphe fissure; raphe endings terminating on small helictoglossae; raphe ends are straight, located on a small, elevated central nodule. Modern samples collected from various localities in Poland. SEM: Ołudza locality. Scale bars: 24, 25 = 30 μm, 26–28 = 5 μm. LM: scale bar = 10 μm.
FIGURES 18–21 in Revision of Navicula striolata (Grunow) Lange-Bertalot and N. rumaniensis Hustedt with the description of N. friedelhinziae sp. nov.
FIGURES 18–21. SEM internal images of Navicula reinhardtii var. gracilior Grunow in Van Heurck. 18–20. Very narrow, straight raphe slit. 20. Raphe ends are straight, located on a small, elevated central nodule. 21. Raphe endings terminating on small helictoglossae. At the valve apex, one large pore is visible.
FIGURES 59–61. Divergita capillaris from Grunow 839. 59 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
FIGURES 59–61. Divergita capillaris from Grunow 839. 59. Interior view of broken strongly curved valve. 60. Detail of interior apex from same valve as 59. Note obvious expansion of terminus into a capitate or subcaptitate morphology. 61. Exterior detail of apex showing barely perceptibly sunken pore field and decussating areolar pattern. This specimen had a weakly expanded apex.
FIGURES 54–58. Divergita capillaris from Grunow 839. 54 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
FIGURES 54–58. Divergita capillaris from Grunow 839. 54. LM of whole strongly curved valve from mica. 55. LM of whole strongly curved valve from Naphrax preparation. 56. SEM of broken weakly curved valve (interior view). 57. SEM detail of interior of apex of valve of 56. 58. SEM detail of central area, internal view, of valve of 56.
FIGURES 7–9. Hyalosynedra laevigata from Grunow 839. 7 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
FIGURES 7–9. Hyalosynedra laevigata from Grunow 839. 7. Interior of apex showing rimoportula and terminal pore field. 8. Interior of entire valve. Note break near center. 9. Details of bilayered valve structure.
FIGURES 2–4. Hyalosynedra laevigata from Grunow 839. 2 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
FIGURES 2–4. Hyalosynedra laevigata from Grunow 839. 2. Bright field LM of large specimen. 3. Differential interference contrast LM of large specimen. 4. External view of entire valve in SEM.
FIGURES 5, 6. Hyalosynedra laevigata from Grunow 839. 5 in Systematics of araphid diatoms with asymmetric rimoportulae or densely packed virgae, with particular attention to Hyalosynedra (Ulnariaceae, Bacillariophyta)
FIGURES 5, 6. Hyalosynedra laevigata from Grunow 839. 5. Detail of central area in LM. 6. Detail of apex in SEM.
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