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81 results for “epitypification”
FIGURE 5 in Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus
FIGURE 5. Light microphotographs of the epitype of the Pleurocapsa minor HA4230-MV1 from Hawaii: (A) Stages of germination; (B) Young subcolonies, derived from baeocytes, and initial stages of pseudodichotomously branched pseudofilaments (indicated with arrow); (C) Mature stages with defined rows of the cells, and clear pseudodichotomous branches; (D) Older stages with yellowish-orange, more or less robust sheaths. Scale bar equals 10 μm.
FIGURE 2. Collapsed 16S in Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus
FIGURE 2. Collapsed 16S rRNA gene phylogeny of Pleurocapsales based on 253 OTUs with maximum length of 1,483 bp. Support values are shown as BI. Nodes lacking support are indicated by "–". The entire uncollapsed tree can be found in the Supplementary Materials as Fig. S1. Strains we consider to be correctly identified and representative of the genus are followed by an asterisk. Taxa which need revision are placed in the quotes.
FIGURE 4 in Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus
FIGURE 4. Light photomicrographs of Pleurocapsa spp.: (A) P. fuliginosa from neotype material, note pseudofilaments as well as peripheral and irregular thylakoid arrengment; (B) P. minor from Grand Staircase-Escalante National Monument (cultured isolates), with classical morphology for that taxon, which is formation of long pseudofilaments, and pseudodichotomous branchings. Scale bar equals 10 μm.
FIGURE 3 in Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus
FIGURE 3. Secondary structures of conserved domains in the 16S–23S ITS region. A–G. D1-D1' helices for four strains; alternative structures for the same strain are indicated with equilibrium arrows. H–J. V2 helices situated between tRNAIle and tRNAAla genes. K–M. Box-B anti-terminator helix. N–O. End region of 16S–23S ITS showing D4 helices (yellow), V3-helices (purple), D5 region (green), and position of attachment of 23S rRNA gene within the D5, with 3' end of 16S–23S ITS paired to 5' end of 23S–5S ITS.
FIGURE 1 in Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus
FIGURE 1. Line drawings of the type species of genus Pleurocapsa, P. fuliginosa: (A) Copy of P. fuliginosa from original publication (Shalygin after Hauck 1885); (B) Original images of P. fuliginosa from the neotype from Hawaii archipelago (cultural material) with additional morphological trait-pseudofilaments. Scale bar equals 10 μm.
FIGURE 2 in Epitypification of Agaricus vittadinii (Basidiomycota, Amanitaceae)
FIGURE 2. Agaricus vittadinii (epitype). Macromorphological features. a Fresh basidiomata in situ. b Pyramidal warts of the universal veil on pileus surface. c Annulus and remnants of the universal veil on stipe surface. d Collection site. Bars: a = 50 mm; b = 10 mm; c = 20 mm. Pictures by F. Dovana.
FIGURE 3 in Epitypification of Agaricus vittadinii (Basidiomycota, Amanitaceae)
FIGURE 3. Agaricus vittadinii (epitype). Micromorphological features. a–b Spores. c Hymenophoral trama. d Basidia and basidioles. e Terminal elements of the universal veil on stipe surface. f Elements of the universal veil on pileus surface. a, c–f: in ammoniacal Congo Red; b in water. Bars: a–b, d, f = 10 μm; c, e = 100 μm. Pictures by F. Dovana.
FIGURE 1 in Epitypification of Agaricus vittadinii (Basidiomycota, Amanitaceae)
FIGURE 1. Agaricus vittadinii illustrated by Moretti (1826b: pl. I, selected as lectotype by Bas 1969).
FIGURE 1 in Lecto- and epitypification of Stephania rotunda (Menispermaceae)
FIGURE 1. The lectotype and isolectotype of Stephania rotunda. Vouchers: Loureiro s.n. Barcodes: A, BM000554372; B, BM000554373. Images reproduced with permission from the Natural History Museum, London.
FIGURE 2 in Lecto- and epitypification of Stephania rotunda (Menispermaceae)
FIGURE 2. The epitype chosen for Stephania rotunda. Voucher: Pierre 755a. Barcode: P02384051. A high-resolution image can be obtained using P online public database (http://science.mnhn.fr/institution/mnhn/collection/p/item/p02384051).
FIGURE 21–28. Sceptronema orientale. SEM. Sample LPC 11650. Internal views. Figs 21, 23 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions
FIGURE 21–28. Sceptronema orientale. SEM. Sample LPC 11650. Internal views. Figs 21, 23. Head-poles showing apical slit field on the valve mantle. Figs 22, 24. Foot-poles showing apical slit field on the valve mantle and several rimmed, sessile rimoportulae (arrowheads). Fig. 25. Rows of rimoportulae near each valve margin. Note rimoportulae are inserted within the striae (arrowheads). Fig. 26. Apical slit field on the head-pole. Fig. 27. Foot-pole of the valve of fig. 16. Note valvocopula in internal view and the next copula in external and internal view (VC valvocopula, CP 1 1st copula). Fig. 28. Head-pole of the valve of fig. 16 showing valvocopula with a very short septum formed on the
FIGURE 16–20. Sceptronema orientale. SEM. Sample LPC 11650. Figs 16–17 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions
FIGURE 16–20. Sceptronema orientale. SEM. Sample LPC 11650. Figs 16–17. Internal valve view. Note open bands in Fig. 16 (VC valvocopula, CP 1 1st copula). Figs 18–20. External views. Fig. 18. Valve mantle of the head-pole with an apical slit field and girdle. Arrowheads show sunken cross bars of the slits (VC valvocopula, CP 1 1st copula, CP 2 2nd copula). Fig. 19. Foot-pole of a valve showing rimoportulae opening by subcircular to elliptical pores (arrowheads). Fig. 20. Central part of valve showing straight sternum and transverse, uniseriate striae. Scale bars: Figs 16–17 = 5 µm; Fig. 19 = 2 µm; Figs 18, 20 = 1 µm.
FIGURE 2–10 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions
FIGURE 2–10. Sceptronema orientale. LM. Figs 2–7. Sample LPC 11650. Figs 2–4. Several live colonies on Euterpina acutifrons. Figs 5–7. Details of these colonies. Fig. 5. Cells with one chloroplast, attached by mucilaginous stalks. Arrowheads show short septa. Fig. 6. Cells in valvar view with the head-pole attaching by a mucilaginous pad to the head-pole of the adjacent cell of the colony. Fig. 7. Cells in girdle view. Arrowheads show septa. Figs 8–10. Slide LPC 11650 (1), cleaned material, epitype here designated. Fig. 8. Complete frustule. Figs 9–10. Valves with girdle bands. Note the central, straight sternum. Scale bars: Fig. 2 = 100 µm; Fig. 3 = 50 µm; Figs 4, 6–7 = 20 µm; Figs 5, 8 = 10 µm; Figs 9–10 = 5 µm.
FIGURE 1 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions
FIGURE 1. Map of Province of Buenos Aires, showing sampling stations and location of the area in Argentina. 1: Los Pocitos, 2: Ría del Jabalí, 3: Bahía San Blas.
FIGURE 12–15 in The epizoic marine diatom Sceptronema orientale (Licmophoraceae, Licmophorales): epitypification and emendation of specific and generic descriptions
FIGURE 12–15. Sceptronema orientale on Euterpina acutifrons. SEM. Sample LPC 11650. Figs 11–13. Note cells attached to the copepod by mucilaginous stalks. Fig. 14. Detail of several coiled mucilaginous stalks. Fig. 15. Frustules tilted showing valvar and partial girdle views. Scale bars: Figs 11–12 = 100 µm; Figs 13–14 = 20 µm; Fig. 15 = 10 µm.
FIGURE 4. Laccaria macrocystidiata. A–F Fresh basidiomata. A–B Coll. GDOR 5080. C Coll. GDOR 5078. D Coll. GDOR 5082. E Coll. GDOR 5079. F. Coll. GDOR 5077 in Phylogenetic reappraisal and epitypification of Laccaria macrocystidiata (Hydnangiaceae, Basidiomycota)
FIGURE 4. Laccaria macrocystidiata. A–F Fresh basidiomata. A–B Coll. GDOR 5080. C Coll. GDOR 5078. D Coll. GDOR 5082. E Coll. GDOR 5079. F. Coll. GDOR 5077. Photos: A–C,F by F. Dovana; D by R. Para; E by C. Lavorato.
FIGURE 6 in Phylogenetic reappraisal and epitypification of Laccaria macrocystidiata (Hydnangiaceae, Basidiomycota)
FIGURE 6. Laccaria macrocystidiata. Spores (SEM photographs). A–C Collection AH38995. D–F Collection AH38993. G–I Collection AH38996. Scale Bars = 2 μm. Photos by G. Moreno.
FIGURE 3 in New record of the rare genus Crinalium Crow (Oscillatoriales, Cyanobacteria) from sand dunes of the Baltic Sea, Germany: epitypification and emendation of Crinalium magnum Fritsch et John based on an integrative approach
FIGURE 3. Light micrographs showing an overview of living filaments of Crinalium magnum strain Hg-6-6. A, B. Irregular clusters with trichomes varying in length. C–E. Trichomes lying in two planes. F, G. Details of trichomes and terminal cells with a thickened outer margin. H–K. Fragmentation of trichomes in old cultures (6 and more months). Arrows mark the sheath. Scale bars: 10 µm
FIGURE 5 in New record of the rare genus Crinalium Crow (Oscillatoriales, Cyanobacteria) from sand dunes of the Baltic Sea, Germany: epitypification and emendation of Crinalium magnum Fritsch et John based on an integrative approach
FIGURE 5. Ultrastructure of C. magnum strain Hg-6-6. A. Longitudinal section of the trichome showing its general organization. B, D–F. Portions of filaments showing typical arrangement of helically twisted, swirl-like thylakoids and cell inclusions. C. Junctional pores (arrows) closely associated with the cross walls. Cx, carboxysomes; Cy, cyanophycin granules. Scale bars: 1 µm
FIGURE 4 in New record of the rare genus Crinalium Crow (Oscillatoriales, Cyanobacteria) from sand dunes of the Baltic Sea, Germany: epitypification and emendation of Crinalium magnum Fritsch et John based on an integrative approach
FIGURE 4. Staining of mucilage envelope of Crinalium magnum Hg-6-6. A–C. Staining with drawing ink showed difluent mucilage envelope. D–I. Staining with methylene blue showed striated structure of mucilage. E. Separate cells in lateral position with mucous microfibriles radiated from the cell wall. H, I Trichome in optical section (H) and in surface view (I) with increased portion showed mucous microfibrils arranged by rows along cross cell walls. Scale bars: 10 µm
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