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23 results for “Enteromorpha”
FIGURE 13 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 13. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: ZH0007). A—Curly bubbled thalli with macroscopic branching (arrows), B—surface of a thallus with crystals of calcium carbonate (arrow), C—part of the thallus with a visible single layer of cells (arrows), D—initial cells of the branch, surrounded by neighbouring cells (arrows), E—crystals of CaCO 3 (arrow), F—cells with 1–2 pyrenoids (arrows), G—thick cells with cup-shaped chromatophores (arrow).
FIGURE 10 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 10. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: WA0000019414). A—Filamentous (arrow) and wide thalli from herbarium sheet, B—branching (arrows) in the basal part of the thallus, C—monolayer of the cell (arrow), D—irregularly arranged cells with poorly stained pyrenoids (1–2 per cell) (arrows), E—thin-walled cells (arrow) in the branching of thalli, F—initial cell (arrow) of uniseriate proliferation, G—thin-walled and slightly rounded apical cell (arrow) of a single branch.
FIGURE 5 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 5. Dendrogram rerived from Ward's method using Manhattan distance of morphometrical parameters of inland Ulva (n = 160; used 10 measurements of each specimen). Cluster A—Ulva flexuosas. subsp. paradoxa, clusters B and C—U. flexuosa subsp. pilifera, Ulva cf. flexuosa and Ulva sp.
FIGURE 4 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 4. Ulva cf. flexuosa (Voucher code: ZH0004). A—Thallus from herbarium sheet, B and C—strong mineral incrustation on the thallic surface, D—irregular arrangement of cells with wide walls, E—Lugol's iodine stained organelles in area of chromatophore, F—increased initial cell of monoserrate proliferation.
FIGURE 3 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 3. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: ZH0003). A—Filamentous and tubular thalli, B—single tubular thalli, C—mineral incrustation on surface of thalli, D—irregular arrangement of cells, E—cells with 2–4 pyrenoids, F—formation of proliferations from swollen cell.
FIGURE 14 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 14. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: ZH0008). A—Intestinally undulating thallus (arrow)from herbarium sheet, B—numerous branching of thalli (arrows), C—single branching of the thallus (arrow), D—numerous uniseriate proliferation (arrows), E—cells with cup-shaped chromatophores, containing 2 – 5 pyrenoids (arrows), F and G—tapered apical cells (arrows) of uniseriate branching with visible pyrenoids.
FIGURE 18 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 18. Ulva sp. (Voucher code: ZH0012). A—Thallus from herbarium sheet, B—strongly corrugated and often highly furcated thallus without incrustation, C and D—irregular arrangement of cells (arrows), E and F—cup-shaped chromatophores with single pyrenoids (arrows).
FIGURE 7 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 7. Ulva cf. flexuosa (Voucher code: ZH0002). A—Wide thalli in the herbarium sheet (arrow), B—numerous mineral inclusions on the thallic surface (arrows), C—monolayer of the cell (arrow), D—crystals of calcium carbonate (arrow), E—thick-walled cells (arrows) in the basal part of the thalli, F—irregularly arranged cells with 1–2 pyrenoids (arrows).
FIGURE 2 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 2. Ulva flexuosa subsp. paradoxa (C. Agardh) M.J. Wynne (Voucher code: ZH0005). A—Dense filamentous thalli,, B and C—several branches of minor thalli, D—monoserrate proliferations with a slightly sharpened apical cell, E—chromatophore with 1–2 pyrenoids, F—proliferation with single pyrenoids and cone-shaped apical cell, G—branched arrangement of two rows of cells with single pyrenoids.
FIGURE 16 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 16. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: ZH0010). A—Intestinally undulating thallus with several branches (arrows), B and C—surface of thalli with mineral incrustation (arrow), D—irregular arrangement of cells in the basal part of the thalli, E—cells with rounded edges with 2 –5 pyrenoids in single chromatophore (arrow), F—cell of uniseriate proliferation with thick cell wall (arrow), G—cells with irregularly shaped chromatophores, H—square-rectangular cells (arrow) from two-row branching.
FIGURE 12 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 12. Ulva sp. (Voucher code: ZH0006). A—Intestinally undulating thallus from herbarium sheet (arrow), B and C—mineral incrustation on the surface of thallus (arrows), D—irregularly arranged cells with characteristic initial cells of uniseriate branching (arrows), E—cells with 1–2 pyrenoids (arrows), F—initial cell of a branch with a ring of neighbouring cells (arrow).
FIGURE 17 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 17. Ulva cf. flexuosa (Voucher code: ZH0011). A—Thalli from herbarium sheet (arrow), B—surface of thallus with mineral
FIGURE 6 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 6. Ulva flexuosa subsp. pilifera (Kützing) M.J. Wynne (Voucher code: ZH0001). A—Curly-bubbled thallus in a characteristic cluster from the herbarium sheet (arrow), B—mineral crystals of CaCO 3 on the thallus surface (arrows), C—irregular arrangement of cells in thallus, D—cells with 4–5 walls, view from central part of thalli, E—single pyrenoids in cells (arrows).
FIGURE 11 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 11. Ulva sp. (Voucher code: WA0000019415). A—Curly bubbled thallus showing strong corrugation and marked furcation (arrow), B and C—extensive incrustation (arrows) on the surface of the thallus, D—irregularly arranged cells (arrow) in the thallus, E and F—stained cellular organelles (arrows).
FIGURE 9 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 9. Ulva sp. (Voucher code: WA0000019410). A—Cluster of highly mineralized thalli (arrow), B—stained filamentous thalli of Ulva (arrows), C—filamentous thallus (arrow) with numerous crystals and diatoms periphyton, D—single branch (arrow), highly covered with periphyton and CaCO , E and F—apical cells of proliferation (arrows), G—thick cells (arrow) of the uniseriate branches.
FIGURE 15 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 15. Ulva cf. flexuosa (Voucher code: ZH0009). A—Intestinally undulating thallus from herbarium sheet (arrow), B—smooth surface of thallus, C—irregularly arranged cells in thalli (arrow), D—part of monoseriate branching of thallus (arrows), E—numerous uniseriate proliferations, F—cells with poorly stained pyrenoids (1 – 3 per cell) (arrow), G—rounded initial cells (arrow) of uniseriate branches, H—germination of initial cells (arrow) of new uniseriate branches, I—several cellular proliferations with rounded apical cells (arrow).
FIGURE 8 in Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849-1959
FIGURE 8. Ulva flexuosa subsp. paradoxa (C. Agardh) M.J. Wynne (Voucher code: WA0000019409). A—Clusters of thalli in herbarium sheet (arrow), B—highly fragmented thalli (arrow), C—aggregation of filamentous thalli with different widths (arrow), D—shrunken thalli with deformed cells (arrow), E—multicellular branching of the thalli (arrow), F—cells with 1–4 pyrenoids (arrows) in a single chromatophore, G—single branching of tubular thalli (arrow).
FIGURE 2 in Taxonomic transfer of the red algae Chrysymenia enteromorpha and C. wrightii to the genus Botryocladia (Rhodymeniaceae, Rhodymeniales)
FIGURE 2. Phylogram showing Botryocladia and Chrysymenia species inferred from Bayesian analysis of 22 SSU sequences, using Rhodymenia species as the outgroup taxa. Support values reflect all bootstrap values (parsimony, neighbor joining, maximum likelihood, except for Bayesian Posterior Probabilities).
FIGURE 1 in Taxonomic transfer of the red algae Chrysymenia enteromorpha and C. wrightii to the genus Botryocladia (Rhodymeniaceae, Rhodymeniales)
FIGURE 1. Phylogram inferred from RaxML analysis of 64 rbcL sequences of Rhodymeniales. The ingroup consists of 61 sequences of Rhodymeniaceae, the outgroup one representative of 3 families in the Rhodymeniales. The position of Chrysymenia enteromorpha and C. wrightii is nested inside the Botrycladia clade that includes the generitype, B. botryoides, separate from the Chrysymenia clade that includes the generitype, C. ventricosa. Numbers indicate bootstrap values at right, and BP values at left (1 represented by 100); *denotes full support. Scale bar indicates number of substitutions per site. Newly generated sequences are shown in bold.
FIGURES 3–14 in Taxonomic transfer of the red algae Chrysymenia enteromorpha and C. wrightii to the genus Botryocladia (Rhodymeniaceae, Rhodymeniales)
FIGURES 3–14. Botryocladia enteromorpha (Harvey) W.E. Schmidt, C. Lozada-Troche, D.L. Ballantine et Fredericq, comb. nov. Vicinity of the Florida Middle Grounds: Figs. 2, 12–13.LAF-NSF-III-7-9-06-9-2, Fig. 3. LAF-NSF-III-7-5-06-3-7. Campeche Banks: Figs. 4–10, LAF-NSF-II-78-3, Fig. 11. LAF-NSF-II-96-21. 3) Habit of female gametophyte with cystocarps. Scale bar 2 cm. 4) Habit of non-reproductive thallus. Scale bar 1 cm. 5) Surface view of young branch on main axis with constricted base (arrow). Scale bar 40 μm. 6) Surface view of mature specimen with nearly complete cortication. Scale bar 40 μm. 7) Surface view of younger specimen with incomplete cortication except for glandiferous cells bearing gland cells (arrow). Scale bar 40 μm. 8) Surface view of medullary, glandiferous, and gland cells (arrow). Scale bar 40 μm. 9) Cross section through vesicle wall with glandiferous cell bearing three gland cells (arrow). Scale bar 40 μm. 10) Cross section through holdfast. Scale bar 0.5 mm. 11) Organization of cortical and medullary cells in holdfast cross section. Scale bar 100 μm. 12) Surface view of cortex with cruciately divided tetrasporangia (arrowhead). Scale bar 40 μm. 13) Surface view of pericarp ostiole topping carposporophyte. Scale bar 100 μm. 14) Longitudinal section through carposporophyte. Scale bar 100 μm.
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OpenNeuro
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