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FIG. 4 in Oospore features among morphologically similar and closely related charophyte species: consistency and variability
FIG. 4. — Oospore parameters of Chara globularis Thuil. in relation to localities where this species was found. Redundancy analysis (RDA). Abbreviations: see Material and methods.
Text-fig. 3. Distribution of examined species. in Some Finds Of Charophytes From East-Africa (Zambia, Tanzania, Kenya And Somalia)
Text-fig. 3. Distribution of examined species.
Text-fig. 10. Nitella knightiae. Antheridium. in Some Finds Of Charophytes From East-Africa (Zambia, Tanzania, Kenya And Somalia)
Text-fig. 10. Nitella knightiae. Antheridium.
Text-fig. 2. Chara socotrensis. Branchlet segments with mucronate end cells. in Some Finds Of Charophytes From East-Africa (Zambia, Tanzania, Kenya And Somalia)
Text-fig. 2. Chara socotrensis. Branchlet segments with mucronate end cells.
Text-fig. 8. Distribution of examined species. in Some Finds Of Charophytes From East-Africa (Zambia, Tanzania, Kenya And Somalia)
Text-fig. 8. Distribution of examined species.
TABLE 1 in Taxonomy and palaeobiogeography of charophytes from the Upper Eocene- Lower Oligocene of the Eastern Ebro Basin (Catalonia, NE Spain)
<p>TABLE 1. — Geographic (coordinates) and lithostratigraphic occurrence of the studied sections on the Eastern margin of the Ebro Basin.</p><table><tbody><tr><th></th><th></th><th></th><th><b>Coordinates</b></th><th></th><th></th></tr><tr><th></th><th></th><th>Base of the section</th><th><b>Top of the section</b></th><th></th></tr><tr><th>Locality</th><th>Sections</th><th>Latitude</th><th>Longitude</th><th>Latitude</th><th>Longitude</th><th><b>Formations</b></th></tr></tbody><tbody><tr><th>Sant Boi de</th><td>La Portelleta</td><td>42°03’39.4”N</td><td>02°10’17.2”E</td><td>42°03’27”N</td><td>02°10’17”E</td><td>Sant Martí Xic and Sant Boi</td></tr><tr><th>Lluçanès</th><td>El Perers</td><td>42°03’14.7”N</td><td>02°10’E</td><td>42°03’27”N</td><td>02°10’17”E</td><td>Sant Boi</td></tr><tr><th></th><td>Serrat Rodó</td><td>42°02’49.7”N</td><td>02°10’18.4”E</td><td>42°02’47.3”N</td><td>02°10’10.1”E</td><td>Sant Boi</td></tr><tr><th>Sobremunt</th><td>Sobremunt road</td><td>42°02’18.6”N</td><td>02°10’21.7”E</td><td>42°02’16.4”N</td><td>02°10’19.3”E</td><td>Sant Boi</td></tr><tr><th></th><td>Sant Roc outcrop</td><td>42°01’22.8”N</td><td>02°09’28.7”E</td><td>42°01’22.8”N</td><td>02°09’28.7”E</td><td>Sant Boi</td></tr><tr><th>Sant Bartomeu</th><td>Cal Carreter</td><td>41°56’55”N</td><td>02°09’34.1”E</td><td>41°57’1.1”N</td><td>02°09’10.9”E</td><td>Terminal Complex</td></tr><tr><th>del Grau</th><td></td><td></td><td></td><td></td><td></td><td>and Sant Boi</td></tr><tr><th>Moià</th><td>Torre Casanova</td><td>41°49’11.2”N</td><td>02°08’22.4”E</td><td>41°49’24.3”N</td><td>02°08’7.5”E</td><td>Artés</td></tr><tr><th></th><td>Moià road</td><td>41°49’10.4”N</td><td>02°05’52.9”E</td><td>41°49’11.4”N</td><td>02°05’49.8”E</td><td>Artés (Moià Limestone Member)</td></tr><tr><th>Oristà</th><td>Julià Farm</td><td>41°56’2.3”N</td><td>02°03’56”E</td><td>41°56’7.4”N</td><td>02°04’5.1.4”E</td><td>Artés</td></tr><tr><th>Santa Maria d’Oló</th><td>Santa Maria d’Oló</td><td>41°52’42.3”N</td><td>02°02’3.3”E</td><td>41°52’35.6”N</td><td>02°02’5.1”E</td><td>Artés</td></tr><tr><th>Santpedor</th><td>Santpedor</td><td>41°48’2.8”N</td><td>01°51’5”E</td><td>41°47’54”N</td><td>01°49’46.8”E</td><td>Artés</td></tr><tr><th>Maians</th><td>Maians</td><td>41°37’55”N</td><td>01°42’22.3”E</td><td>41°39’12.8”N</td><td>01°40’57.2”E</td><td>Artés</td></tr><tr><th>Rubió</th><td>Rubió</td><td>41°38’18.8”N</td><td>01°36’3.2”E</td><td>41°13’23.5”N</td><td>01°36’12.3”E</td><td>Artés</td></tr><tr><th>Rocafort de Queralt</th><td>Rocafort</td><td>41°26’54.9”N</td><td>01°14’39.9”E</td><td>41°29’25.2”N</td><td>01°11’30.4”E</td><td>Sant Miquel/Pira and Rocafort Member</td></tr><tr><th>Sarral</th><td>Sarral</td><td>41°56’2.3”N</td><td>02°03’56”E</td><td>41°56’7.4”N</td><td>02°04’5.1.4”E</td><td>Pira/Sarral/Blancafort/ Rauric/Montsant/ Gavatxa/Margalef/Albi</td></tr><tr><th>Solivella</th><td>Solivella outcrop</td><td>41°26’9.2”N</td><td>01°11’34.3”E</td><td>41°26’9.2”N</td><td>01°11’34.3”E</td><td>Blancafort</td></tr><tr><th>Tarrés</th><td>Tarrés</td><td>41°24’16.9”N</td><td>01°3’0.1”E</td><td>41°25’56.5”N</td><td>01°1’18”E</td><td>Montsant/Gavatxa/Mar- galef/Albi/Tàrrega</td></tr><tr><th>Vinaixa</th><td>Vinaixa</td><td>41°25’53.4”N</td><td>0°1’20.4”E</td><td>41°26’35.4”N</td><td>0°57’23”E</td><td>Margalef/Albi/Solsona/ Cogul/Les Marqueses</td></tr><tr><th>Talladell</th><td>El Talladell outcrop</td><td>41°38’37.8”N</td><td>01°10’16.8”E</td><td>41°38’37.8”N</td><td>01°10’16.8”E</td><td>Tàrrega</td></tr></tbody></table>
FIG. 2 in Oospore features among morphologically similar and closely related charophyte species: consistency and variability
FIG. 2. — Oospore parameters. Abbreviations: see Material and methods. Scale bar: 200 µm.
FIG. 1 in Oospore features among morphologically similar and closely related charophyte species: consistency and variability
FIG. 1. — Localities investigated in this study. Abbreviations: see Material and methods.
Fig. 15 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 15. Nitella townsendii (a, b) from specimen J.Schult t841 (MEL), (c–i) from holotype specimen P.Dostine 49DW73-4 (DNA). (a) Habit of whole shoot, scale: 5 mm. (b) Fertile branchlet with central antheridia and lateral oogonia, scale: 1 mm. (c) Sterile dactyls, scale: 0.5 mm. (d) Sterile whorl, scale: 1 mm. (e) Fertile whorl, scale: 1 mm. (f) Oogonium, scale: 100 µm. (g) Branchlet tip with only oogonia and dactyls, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (i) SEM image of base of oospore, scale: 50 µm. (j) SEM image of detail of oospore wall, scale: 20 µm.
Fig. 14. Nitella silicea from isotype specimen M.T.Casanova & J.Schult r741 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 14. Nitella silicea from isotype specimen M.T.Casanova & J.Schult r741 (MEL). (a) Habit of whole plant, scale 10 mm. (b) Sterile whorl, scale: 1 mm. (c) Female fertile banchlet, scale: 1 mm. (d) Fertile dactyls, scale: 1 mm. (e) Oogonium, scale: 100 µm. (f) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (g) SEM image of detail of oospore wall, scale: 20 µm.
Fig. 12 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 12. Nitella nitida (a–c) from isotype specimen M.T.Casanova & B.M.Atkinson r754 (MEL) and (d–j) from M.T.Casanova & B.M.Atkinson r753 (MEL). (a) Habit of whole male plant, scale: 10 mm. (b) Fertile male branchlet whorl, scale: 5 mm. (c) Male fertile final furcations, scale: 500 µm. (d) Habit of whole female plant, scale: 10 mm, (e) Oogonium, scale: 0.1 mm, (f) Fertile female branchlet, scale: 1 mm, (g) Fertile female branchlet whorl, scale: 5 mm, (h) Scanning electron microscope (SEM) image of oospore, scale: 50 µm. (i) SEM image of detail of oospore wall, scale: 10 µm, (j) SEM image of side view of oospore ornamentation, scale: 10 µm.
Fig. 10 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 10. Nitella micklei (a, b) from P.K.Latz 16363 (DNA), (c–g) from holotype specimens M.T.Casanova PBS17: r114 (MEL), (h, i) from M.N.Lyons & D.A.Mickle 3063 (PERTH). (a) Three whorls of branchlets, scale: 1 cm. (b) Single whorl of antheridial branchlets, scale: 1 mm. (c) Sterile branchlet whorl, scale: 5 mm. (d) Fertile branchlet whorl, scale: 1 mm. (e) Apex of fertile branchlet, scale: 1 mm. (f) Fertile female branchlets with oogonium, scale: 1 mm. (g) Oogonium with 5 or 6 convolutions, scale: 100 µm. (h) Scanning electron microscope (SEM) image of oospore, scale: 50 µm. (i) SEM image of detail of the reticulum of the oospore wall, scale: 2 µm.
Fig. 6. Nitella crocodylus from isotype specimen Casanova r760 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 6. Nitella crocodylus from isotype specimen Casanova r760 (MEL). (a) Habit of oosporangial plant, scale: 10 mm. (b) Sterile branchlet tip and dactyls, scale: 1 mm. (c) Habit of male plant, scale: 10 mm. (d) Female fertile branchlet whorl, scale: 1 mm. (e) Male branchlet whorl, scale: 5 mm. (f) Fertile female branchlet tip, scale: 1 mm (g) Scanning electron microscope (SEM) image of detail of the oospore ornamentation, a raised reticulum on a sinuously porate ground, scale: 2 µm. (h) SEM image of oospore in side view, scale: 100 µm. (i) Detail of oospore wall, scale: 20 µm. (j) View of the basal-cell impressions, scale: 50 µm.
Fig. 9. Nitella martinii from holotype specimen M.T.Casanova r785 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 9. Nitella martinii from holotype specimen M.T.Casanova r785 (DNA). (a) Habit of whole plant, scale: 10 cm. (b) Sterile branchlet whorl, scale: 10 mm. (c) Fertile female branchlet axis, scale: 10 mm. (d) Male fertile branchlet, scale: 1 mm. (e) Oogonia at branchlet tips, scale: 250 µm. (f) Branchlet tips, scale: 500 µm. (g) Scanning Electron Microscope (SEM) image of oospore in side view, scale: 100 µm. (h) SEM image of detail of oospore wall, scale: 20 µm. (i) SEM image of view of basal-cell impressions, scale: 100 µm.
Fig. 5 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 5. Nitella congesta. (a–d) From the isolectotype specimen R.Brown 276 (BM). (e–h) From specimen M.T.Casanova r022 (MEL), (i) from specimen H. & A.Wapstra HAW059 (HO). (a) Habit of whole plant, scale: 5 cm. (b) Scanning electron microscope (SEM) image of oospore with 8 or 9 striae, scale: 200 µm. (c) SEM image of detail of oospore wall, scale: 20 µm. (d) SEM image of detail of the construction of the oospore wall, scale: 5 µm. (e) Sterile branchlet whorl, scale: 5 mm. (f) Sterile dactyls, scale: 0.5 mm. (g) Oogonium, scale: 100 µm. (h) Fertile oogonial branchlet, scale: 1 mm. (i) Fertile antheridial branchlet, scale: 1 mm.
Fig. 2. Nitella belangeri from the specimen M.T.Casanova r737 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 2. Nitella belangeri from the specimen M.T.Casanova r737 (MEL). (a) Habit of whole plant, scale: 5 cm. (b) Sterile branchlet whorl, scale: 5 mm. (c) Fertile branchlet whorl, scale: 1 mm. (d) Three fertile branchlets, scale: 1 mm. (e) Dactyls and gametangia, scale: 0.5 mm. (f) Oogonium, scale: 100 µm. (g) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (h) SEM image of detail of oospore wall, scale: 10 µm. (i) SEM image of view of basal-cell impressions, scale: 50 µm.
Fig. 3 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 3. Nitella biformis. (a–c, f) From specimen M.T.Casanova p795 (MEL). (d, e, g–i) From the lectotype specimen J.Drummond 8 (BM). (a) Habit of whole plant, scale: 1 cm. (b) Sterile branchlet whorl, scale: 1 mm. (c) Fertile antheridial branchlet whorl, scale: 1 mm. (d) Dactyls, scale: 100 µm. (e) Oogonium, scale: 100 µm. (f) Light micrograph of chromosomes, 1000× magnification. (g) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (h) SEM image of detail of oospore wall, scale: 20 µm. (i) SEM image of basal-cell impression, scale: 50 µm.
Fig. 11 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 11. Nitella myriotricha (a, b) from specimen J.Schult t842 (MEL), (c–h) from specimen P. Dostine 59DW73-2 (MEL). (a) Habit of shoot, scale: 10 cm. (b) Sterile branchlet tips, scale: 0.5 mm. (c) Sterile whorl, scale: 5 mm. (d) Branchlet tips, scale: 100 µm. (e) Female fertile branchlet, scale: 5 mm. (f) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (g) SEM image of detail of oospore wall, scale: 20 µm. (h) Impression of end-cells on oospore wall, scale: 50 µm.
Fig. 13 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 13. Nitella oollooensis (a, c, g i j) from holotype specimen M.T.Casanova & J.Schult r776 (MEL), (b, h, e) from specimen M.T.Casanova & J.Schult r770 (MEL), and (d, f) from specimen M.T.Casanova & J. Schult r767 (MEL). (a, b) Habit of whole plant, scale: 10 mm. (c) Fertile female branchlet tip, scale: 500 µm (d) Dactyls, scale: 100 µm. (e) Fertile male branchlet tip, scale: 200 µm. (f, g, h) Sterile whorls, scale: 5 mm. (i) Scanning electron microscope (SEM) image of oospore in side view, scale: 50 µm. (j) SEM image of oospore ornamentation, scale: 10 µm.
Fig. 4. Nitella boreali-australis from specimen P.Dostine 12 in Charophytes of Australia's Northern Territory - II. Tribe Nitelleae
Fig. 4. Nitella boreali-australis from specimen P.Dostine 12DW23-2 (DNA). (a) Habit of whole plant, scale: 10 mm. (b) Sterile whorl, scale: 5 mm. (c) Fertile branchlet, scale: 1 mm. (d) Dactyls, scale: 100 µm. (e) Scanning electron microscope (SEM) image of oospore, scale: 100 µm. (f) SEM image of detail of oospore wall, scale: 20 µm.
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