Boergesenii hi-res stock photography and images

Leafy rolled-blade algae (Padina boergesenii) on the reef off the Dutch Caribbean island of St Maarten Stock Photo

RM2HCXETB–Leafy rolled-blade algae (Padina boergesenii) on the reef off the Dutch Caribbean island of St Maarten

Underwater seascape, rocky seabed covered with brown Leafy Rolled-blade alga (Padina boergesenii) in shallow water on sunny day in bright sunbeams, Re Stock Photo

RF2RBNH48–Underwater seascape, rocky seabed covered with brown Leafy Rolled-blade alga (Padina boergesenii) in shallow water on sunny day in bright sunbeams, Re

Leafy rolled-blade alga (Padina boergesenii) on the reef off the Dutch Caribbean island of Sint Maarten Stock Photo

RM2JD3A8G–Leafy rolled-blade alga (Padina boergesenii) on the reef off the Dutch Caribbean island of Sint Maarten

Red Sea, Egypt. 3rd July, 2023. Underwater seascape, rocky seabed covered with brown Leafy Rolled-blade alga (Padina boergesenii) in shallow water on sunny day in bright sunbeams, Red sea, Egypt (Credit Image: © Andrey Nekrasov/ZUMA Press Wire) EDITORIAL USAGE ONLY! Not for Commercial USAGE! Stock Photo

RM2RBNMC8–Red Sea, Egypt. 3rd July, 2023. Underwater seascape, rocky seabed covered with brown Leafy Rolled-blade alga (Padina boergesenii) in shallow water on sunny day in bright sunbeams, Red sea, Egypt (Credit Image: © Andrey Nekrasov/ZUMA Press Wire) EDITORIAL USAGE ONLY! Not for Commercial USAGE!

Leafy rolled-blade algae (Padina boergesenii) on the reef off the Dutch Caribbean island of Sint Maarten Stock Photo

RM2HAR8TW–Leafy rolled-blade algae (Padina boergesenii) on the reef off the Dutch Caribbean island of Sint Maarten

RF2RDJ8WM–Underwater seascape, rocky seabed covered with brown Leafy Rolled-blade alga (Padina boergesenii) in shallow water on sunny day in bright sunbeams

Archive image from page 145 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 mmp- n wwmm- Fig. 143. Peyssonnelia Boergesenii nov. spec. View of two hypothalli, loo- sened from the substratum, a. (No. 1442) young hypothallus. principal axis not yet differentiated, b. old hvpothallus with distinct principal axis. (No. 154611). (210:1). hypothallus is not soluted; the cells of the principal axis increase simply in size. The apical cells is long and as high as or less high than the cells of the basal layer (Fig. 144)') and in this respect P. Boe Stock Photo

RMW23977–Archive image from page 145 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 mmp- n wwmm- Fig. 143. Peyssonnelia Boergesenii nov. spec. View of two hypothalli, loo- sened from the substratum, a. (No. 1442) young hypothallus. principal axis not yet differentiated, b. old hvpothallus with distinct principal axis. (No. 154611). (210:1). hypothallus is not soluted; the cells of the principal axis increase simply in size. The apical cells is long and as high as or less high than the cells of the basal layer (Fig. 144)') and in this respect P. Boe

. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 14.5. Peyssonnelia Boergesenii nov. spec. a. section through nemathecium with carpo- spores ; b. section through thallus in transverse direction; the inferior cells are sometimes larger when the section hits upon a principal axis of the hvpothallus; when the section is made in longitudinal direction the inferior cells ascend obliquely. (250 :1). c. section through nemathe- cium with antheridia. (540:1).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration Stock Photo

RMRD4PHG–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 14.5. Peyssonnelia Boergesenii nov. spec. a. section through nemathecium with carpo- spores ; b. section through thallus in transverse direction; the inferior cells are sometimes larger when the section hits upon a principal axis of the hvpothallus; when the section is made in longitudinal direction the inferior cells ascend obliquely. (250 :1). c. section through nemathe- cium with antheridia. (540:1).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration

RMPFGM75–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 14.5. Peyssonnelia Boergesenii nov. spec. a. section through nemathecium with carpo- spores ; b. section through thallus in transverse direction; the inferior cells are sometimes larger when the section hits upon a principal axis of the hvpothallus; when the section is made in longitudinal direction the inferior cells ascend obliquely. (250 :1). c. section through nemathe- cium with antheridia. (540:1).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration

Massive school of small fish swims in coastal area over rocky reef covered with brown Leafy Rolled-blade alga (Padina boergesenii) in bright sunlight, Stock Photo

RF2RF6W74–Massive school of small fish swims in coastal area over rocky reef covered with brown Leafy Rolled-blade alga (Padina boergesenii) in bright sunlight,

Red Sea, Egypt. 3rd July, 2023. Massive school of small fish swims in coastal area over rocky reef covered with brown Leafy Rolled-blade alga (Padina boergesenii) in bright sunlight, Red sea, Egypt (Credit Image: © Andrey Nekrasov/ZUMA Press Wire) EDITORIAL USAGE ONLY! Not for Commercial USAGE! Stock Photo

RM2RF6XWW–Red Sea, Egypt. 3rd July, 2023. Massive school of small fish swims in coastal area over rocky reef covered with brown Leafy Rolled-blade alga (Padina boergesenii) in bright sunlight, Red sea, Egypt (Credit Image: © Andrey Nekrasov/ZUMA Press Wire) EDITORIAL USAGE ONLY! Not for Commercial USAGE!

RM2HAR31J–Leafy rolled-blade algae (Padina boergesenii) on the reef off the Dutch Caribbean island of Sint Maarten

Archive image from page 186 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 Fig. 168. Croütes de Porolithon Boergesenii. iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å 12// de largeur; quel- ques cellules plus grosses de 20 å 25/< X 18 å 20/« sont dispersées 9a et la dans le tissu. Les cellules prennent, suivant les regions du thalle, une Stock Photo

RMW23WK2–Archive image from page 186 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 Fig. 168. Croütes de Porolithon Boergesenii. iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å 12// de largeur; quel- ques cellules plus grosses de 20 å 25/< X 18 å 20/« sont dispersées 9a et la dans le tissu. Les cellules prennent, suivant les regions du thalle, une

. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen: Rhodophyceæ of the Danish W. Indies. 139. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take a Stock Photo

RMRD4PHT–. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen: Rhodophyceæ of the Danish W. Indies. 139. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take a

RMPFGM7C–. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen: Rhodophyceæ of the Danish W. Indies. 139. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take a

. Dansk botanisk arkiv. Plants; Plants -- Denmark. mmp- n wwmm-. Fig. 143. Peyssonnelia Boergesenii nov. spec. View of two hypothalli, loo- sened from the substratum, a. (No. 1442) young hypothallus. principal axis not yet differentiated, b. old hvpothallus with distinct principal axis. (No. 154611). (210:1). hypothallus is not soluted; the cells of the principal axis increase simply in size. The apical cells is long and as high as or less high than the cells of the basal layer (Fig. 144)'^) and in this respect P. Boerge- senii differs from P. Nordstediii that has a high, short apical cell, li Stock Photo

RMRD4PHX–. Dansk botanisk arkiv. Plants; Plants -- Denmark. mmp- n wwmm-. Fig. 143. Peyssonnelia Boergesenii nov. spec. View of two hypothalli, loo- sened from the substratum, a. (No. 1442) young hypothallus. principal axis not yet differentiated, b. old hvpothallus with distinct principal axis. (No. 154611). (210:1). hypothallus is not soluted; the cells of the principal axis increase simply in size. The apical cells is long and as high as or less high than the cells of the basal layer (Fig. 144)'^) and in this respect P. Boerge- senii differs from P. Nordstediii that has a high, short apical cell, li

. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take at first a golden brown colour by hydrochloric zink- iod Stock Photo

RMPFGM77–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take at first a golden brown colour by hydrochloric zink- iod

. Dansk botanisk arkiv. Plants; Plants -- Denmark. Borgesen: Rhodophyceæ of the Danish W. Indies. 179 Ainsi que l'a remarqué Foslie, le tissu hypothallien est repré- senté par une seule rangée de cellules étroites, placées cote å cote, de 20 å 25// de longueur et 8// de largeur. Le tissu périthallien. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å Stock Photo

RMRD2EN8–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Borgesen: Rhodophyceæ of the Danish W. Indies. 179 Ainsi que l'a remarqué Foslie, le tissu hypothallien est repré- senté par une seule rangée de cellules étroites, placées cote å cote, de 20 å 25// de longueur et 8// de largeur. Le tissu périthallien. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å

RMPFGM7E–. Dansk botanisk arkiv. Plants; Plants -- Denmark. mmp- n wwmm-. Fig. 143. Peyssonnelia Boergesenii nov. spec. View of two hypothalli, loo- sened from the substratum, a. (No. 1442) young hypothallus. principal axis not yet differentiated, b. old hvpothallus with distinct principal axis. (No. 154611). (210:1). hypothallus is not soluted; the cells of the principal axis increase simply in size. The apical cells is long and as high as or less high than the cells of the basal layer (Fig. 144)'^) and in this respect P. Boerge- senii differs from P. Nordstediii that has a high, short apical cell, li

. chang jiang san jiao zhou ji lin jin di qu bao zi zhi wu zhi é¿æ±ä¸è§æ´²åé»è¿å°åºå-¢å-æ¤ç©å¿. botany. æä¸-å¤®è¨å¤§é¨åãåæçå½¢ï¼æ æï¼åçæ2ã3ä¸ªéçäºåææå°æä¸ã äº§äºæµæ±åµå±±ãæ¸å±±ãåéºå²æ²¿æµ·ãçé¿å¨ä½æ½®å¸¦å²©ç³ä¸æç³æ²¼ä¸-ã åå¸äºå¹¿ä¸ãæµ·åï¼æ¥æ¬æ²¿æµ·ã å¯ä¾é£ç¨åä½ä¸ºå¶é ç¼è¶çé ååæã 87.å¯æ¯æ²èï¼å¾1â65) Hypnea boergesenii Tanaka è»ä½ç´«é»è²ï¼å¯éä¸çï¼è½¯éª¨è´¨ï¼é«8ãï¼I2cmï¼ä¸è§åäºçåæï¼åæè§åº¦å°ï¼ç´å¾ lã2,5mmï¼å¨ä½ä¸é¨åæè¾å¤ï¼ä¸ä¸å¯çåºç¶å°æãé«é¨æææ¾çä¸-è½´ï¼è¢«é«é¨åå£ç»è æå å´ï¼ç®å±ä¸º1ã2å±å«æè²ç´ ä½çå°ç»èãååå-¢å-åçäºæ«ç«¯å°æè¨å¤§é¨åï¼å±å½¢åè£ã åæçå½¢ï¼åçæéçãåºçå¨åæ ¹ç¶ã äº§äºæµæ±åµå±±ãåéºå²æ²¿æµ·ãçé¿ Stock Photo

RMPFGM35–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Borgesen: Rhodophyceæ of the Danish W. Indies. 179 Ainsi que l'a remarqué Foslie, le tissu hypothallien est repré- senté par une seule rangée de cellules étroites, placées cote å cote, de 20 å 25// de longueur et 8// de largeur. Le tissu périthallien. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å

RMRD1MEG–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 144. Peyssonnelia Boergesenii no v. spec. Section through dried margin of thallus. t. topcell. (380:1). cells higher than broad, di- minishing regularly towards the periphery, the peripheral ones being the shortest of all: height 10fi, breadth 20«. This succession is, however, not always so striking as told here. The frond can easily attain a thickness of 500//, even more, for my sections do not run through the thickest part of the frond. The cells contain much gra- nules, that take at first a golden brown colour by hydrochloric zink- iod

. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å 12// de largeur; quel- ques cellules plus grosses de 20 å 25/< X 18 å 20/« sont dispersées 9a et la dans le tissu. Les cellules prennent, suivant les regions du thalle, une coloration plus OU moins vive sans l'influence du réactif colorant, de sort Stock Photo

RMPFGM2R–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å 12// de largeur; quel- ques cellules plus grosses de 20 å 25/< X 18 å 20/« sont dispersées 9a et la dans le tissu. Les cellules prennent, suivant les regions du thalle, une coloration plus OU moins vive sans l'influence du réactif colorant, de sort

RMRD1M6Y–. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 168. Croütes de Porolithon Boergesenii. ^iOf. est forme de cellules tres variables de forme, ici rectangulaires, lå ovoides, disposées de telle sorte qu'il est difficile de suivre l'enchainement des cellules constituant chaque file verticale. Les cellules mesurent 7 å 18// de longueur et 8 å 12// de largeur; quel- ques cellules plus grosses de 20 å 25/< X 18 å 20/« sont dispersées 9a et la dans le tissu. Les cellules prennent, suivant les regions du thalle, une coloration plus OU moins vive sans l'influence du réactif colorant, de sort

. Dansk botanisk arkiv. Plants; Plants -- Denmark. 180 Dansk Botanisk Arkiv, Bd. 3. Nr. 1. 2) Les cellules du périthalle sont, dans l'ensemble, plus grandes dans P. Reinboldi (15 å 24// x 6 å 15 f<). 3) Il n'existe pas de zones de coloration visibles dans le tissu de P. Reinboldi aprés action des réactifs. 4) On trouve fréquemment la presence d'écorces anciennes dans le tissu de P. Reinboldi. 5) Les conceptacles å sporanges mesurent 300 å 400 fji de dia- metre dans P. Boergesenii et 350 å 700,« dans P. Reinboldi. St. Croix: Plusieurs échantillons, en particulier l'un de Long Reef, Baie de C Stock Photo

RMPFGM2J–. Dansk botanisk arkiv. Plants; Plants -- Denmark. 180 Dansk Botanisk Arkiv, Bd. 3. Nr. 1. 2) Les cellules du périthalle sont, dans l'ensemble, plus grandes dans P. Reinboldi (15 å 24// x 6 å 15 f<). 3) Il n'existe pas de zones de coloration visibles dans le tissu de P. Reinboldi aprés action des réactifs. 4) On trouve fréquemment la presence d'écorces anciennes dans le tissu de P. Reinboldi. 5) Les conceptacles å sporanges mesurent 300 å 400 fji de dia- metre dans P. Boergesenii et 350 å 700,« dans P. Reinboldi. St. Croix: Plusieurs échantillons, en particulier l'un de Long Reef, Baie de C

RMRD1M6N–. Dansk botanisk arkiv. Plants; Plants -- Denmark. 180 Dansk Botanisk Arkiv, Bd. 3. Nr. 1. 2) Les cellules du périthalle sont, dans l'ensemble, plus grandes dans P. Reinboldi (15 å 24// x 6 å 15 f<). 3) Il n'existe pas de zones de coloration visibles dans le tissu de P. Reinboldi aprés action des réactifs. 4) On trouve fréquemment la presence d'écorces anciennes dans le tissu de P. Reinboldi. 5) Les conceptacles å sporanges mesurent 300 å 400 fji de dia- metre dans P. Boergesenii et 350 å 700,« dans P. Reinboldi. St. Croix: Plusieurs échantillons, en particulier l'un de Long Reef, Baie de C

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