RME7CRKN–Seaweed Ulva lactuga, Ulvaceae, Gargano National Park, Puglia, Italy
RM2FA5E04–Sea Lettuce Ulva lactuca
RMW7TE38–Sea Lettuce (Ulva lactuca) on Common Limpet (Patella vulgata) from tide pool, County Clare, Ireland, December. Meetyourneighbours.net project
RMW3BXRH–Sea lettuce (Ulva lactuca) edible green alga washed ashore on rocky beach
RMW7TE32–Sea Lettuce (Ulva lactuca) from tide pool, Carageen, County Clare, Ireland, December. Meetyourneighbours.net project
RM2CCAT99–Lumps of Enteromorpha spec. / Ulva spec., green alga species of gutweed (Ulvaceae) growing on rock on the beach at low tide, Normandy, France
RMW7TE3B–Sea Lettuce (Ulva lactuca) on Common Limpet (Patella vulgata) from tide pool, County Clare, Ireland, December. Meetyourneighbours.net project
RF2R9PRY5–Grass kelp or gutweed (Ulva intestinalis or Enteromorpha intestinalis) is a green alga of tubular appearance. Chlorophyta. Ulvales. Ulvaceae. This pho
RF2D9MNXR–Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the family Ulvaceae
RF2R9PRY7–Sea lettuce (Ulva lactuca) is a green edible alga of worldwide distribution. Chlorophyta. Ulvales. Ulvaceae. This photo was taken in Brittany coast, F
RMH3JRM0–Sulphur-crested cockatoo (Ulva lactuca)
RF2R9PRY9–Sea lettuce (Ulva lactuca) is a green edible alga. Chlorophyta. Ulvales. Ulvaceae. This photo was taken in Cape Creus, Girona, Catalonia, Spain. Medit
RF2RBG16K–A cuttlefish (Sepia officinalis) underwater with sea lettuce algae (Ulva lactuca), Atlantic ocean, natural scene, Spain, Galicia
RMEBN8PX–Sea lettuce (Ulva lactuca), drifting in sea water, Germany
RF2JPXBFR–Sea lettuce Ulva lactuca edible green alga, underwater in the Atlantic ocean, Spain
RMF5FHXP–Ulva kelp or sea lettuce, Ulva lactuca, Poor Knights Islands Nature Reserve, Bay of Islands, New Zealand
RMC1WN2A–Sea lettuce, Ulva lactuca, anchored to a small rock, on a beach at low tide.
RM2BNMC25–Gutweed (Enteromorpha intestinalis) growing in shallow rock pool, Isle of Ulva, Mull, Scotland, June.
RME5XK6E–Seaweed Ulva lactuga, Ulvaceae, Gargano National Park, Puglia, Italy, Europe
RMC8FND5–Closeup of gutweed.
RM2A9J9RG–sea lettuce, Ulva species, Sechelt Inlet, British Columbia Canada, Pacific Ocean
RF2PM8K9N–Sea Lettuce (Ulva lactuca) frond cast-up on beach on the Isle of Sanday, Orkney, Northern Isles, Scotland, August 2019
RM2A9J9A7–rockweed, Fucus species, and sea lettuce, Ulva species, Sechelt Inlet, Egmont, British Columbia, CanadaPacific Ocean
RM2CCAT8G–Lumps of Enteromorpha spec. / Ulva spec., green alga species of gutweed (Ulvaceae) growing on rock on the beach at low tide, Normandy, France
RM2BNDBNW–Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) washed ashore on Normandy coast, France, September
RFWTJAEE–Bow of small fishing vessel with seaweed stuck on boats hull. Stock image.
RM2A9J9R6–sea lettuce, Ulva intestinalis, Sand Point, Olympic National Park, Olympic Coast National Marine Sanctuary, Washington, USA, Pacific Ocean
RFMNF7E0–Colorful paper seaweed for celebration
RF2RMJ1BD–Enteromorpha intestinalis green alga in water for decoration
RM2J1WBNA–Split-level of Cormorants (Phalacrocorax sp.) standing on rocks with Sea lettuce (Ulva sp.) seen underwater, Hussar Bay, Nigei Island, Queen Charlotte
RM2A9J99T–sea lettuce, Ulva species, in tide pools, Point of the Arches, Spike Rock, Shi Shi Beach, Flattery Rocks National Wildlife Refuge, Washington Islands
RM2J1WBJ0–Split level shot of kelp and other 'seaweeds' partly exposed at low tide, with coniferous forest in the background. Seen in this photograph are the f
RF2JPXB7D–Sea lettuce edible green alga, Ulva lactuca close-up, underwater in the Atlantic ocean, Spain
RMF5FHXT–Ulva kelp or sea lettuce, Ulva lactuca, Poor Knights Islands Nature Reserve, Bay of Islands, New Zealand
RF2R4JX2R–Sea lettuce green seaweed Ulva lactuca with some alga Asparagopsis armata, underwater in the Atlantic ocean, natural scene, Spain, Galicia
RM2A9J99Y–surfgrass, Phyllospadix species, and sea lettuce green algae, Ulva species, Flattery Rocks National Wildlife Refuge, Washington Maritime National Wild
RF2PND6JD–Sea lettuce (Ulva lactuca), an edible algae, washed up after a storm, still attached to a stone The evening light turns the ripple on the sand golden.
RM2A9J9GN–rockweed, Fucus species, winged kelp, Alaria marginata, sea lettuce, Ulva species, La Push Beach 3, Olympic National Park, Olympic Coast National Mari
RF2WPB324–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMG1X4GF–A mat of the green seaweed called gutweed
RMW7Y157–Aerial view of Saint-Michel-en-Grève beach. The green color of water is due to algae (Ulva armoricana) growth caused by nitrogen pollution from agriculture. Cotes d'Armor, Brittany, France, September 2006.
RM2CCAT89–Lumps of Enteromorpha spec. / Ulva spec., green alga species of gutweed (Ulvaceae) growing on rock on the beach at low tide, Normandy, France
RF2A4YTC4–Seaweeds leaves floating on the water of a lake
RMW3BXP8–Gutweed / sea lettuce / grass kelp (Ulva intestinalis / Enteromorpha intestinalis) green alga washed on rocky beach
RFEW9M95–Sea Lettuce or Ulva sp., showing portion of fronds showing cells and (a) zoospores, vintage engraved illustration. Dictionary of
RMF45FX1–Sea Lettuce (Ulva lactuca) from tide pool, County Clare, Ireland, December. Meetyourneighbours.net project
RMB48A4C–botany, green algae, (Chlorophyta), Sea lettuce, (Ulva lactuca), at stone, close-up, Gargano, Additional-Rights-Clearance-Info-Not-Available
RFT99XW0–Gut weed (Ulva intestinalis) and Coral weed (Corallina officinalis) in a rockppol in the littoral zone. Fife, Coastline. Scotland, UK.
RMAXBW6P–Enteromorpha, green alga, green seaweed (Enteromorpha spec.), thallus underwater
RMDTF659–Entromorpha clathrata, seaweed
RMCRCFBJ–Enteromorpha (Enteromorpha spec.), loads of at the coast, Denmark, Juetland
RMF5FHNC–Ulva kelp or sea lettuce, Ulva lactuca, Poor Knights Islands Nature Reserve, Bay of Islands, New Zealand
RF2RJ3ADD–Sea lettuce green algae underwater (Ulva lactuca seaweed) below water surface in the Atlantic ocean, natural scene, Spain, Galicia
RMAXBW7G–Enteromorpha, green alga, green seaweed (Enteromorpha spec.), detail of the thalli
RM2AJDNAD–Elementary botany . y should be included among the Chlorophyceas. They have probablyhad their origin from some of the more simple members of the Protococ-coidese. They are represented by Spirogyra, Zygnema, and the desmids,studied in Chapter 14. 342. Subclass CONFERVOIDEJE.—These are mostly filamentous algae, thefilaments being composed of cells firmly united, and, with the exception ofthe simplest forms, there is a definite growing point. A few of the familiesare as follows: 343. Family Ulvaceae.—These contain the sea wracks, or sea lettuce, like Ulva, forming expandedgreen, ribbon-like growt
RMASF3E7–Limpet Cellana radians on flat rocky shore showing its farm the area it keeps clear of seaweed Kaikoura New Zealand
RMB43PK9–botany, green algae, (Chlorophyta), Sea lettuce, (Ulva lactuca), at stone, close-up, Gargano, Additional-Rights-Clearance-Info-Not-Available
RF2WPB31Y–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RFEW98XN–Sea Lettuce or Ulva sp., showing portion of fronds showing cells and (a) zoospores, vintage engraved illustration. Dictionary of
RMEXRPBC–Sea lettuce (Ulva lactuca) washed on beach
RMEADC5N–Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) green alga washed ashore on rock along the coast
RMDTF5MA–Ulva lingulatam, alga
RMAXBW7T–Enteromorpha, green alga, green seaweed (Enteromorpha spec.), detail of the thalli
RM2AXJD7R–Text-book of structural and physiological botany . plant.Only a few plants belonging to the classof Algae (Fig. 8i) [and Fungi] are unicel-lular ; by far the larger number consist ofmany, and most of an innumerable numberof cells, which take part in the construc-tion of the plant. In the simplest multi-cellular plants the cells are arranged infilaments, /.^., in simple rows one aboveanother, as in the filamentous Algae andmany Fungi (see Fig. i, p. 7). Those aretnore highly organised which consist ofplates of cells arranged in a single layer, asoccurs also in certain Algae, e.g. the Ulvaceae (
RF2WPB32A–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMPFN6RB–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. S14 REPRODUCTION, VEGETABLE (VEGETABLE OVUM). dislocation of the tube, each cell dividing into two in a plane parallel to the septa.* 5. The Ulvaceae, among which the frond has no longer the form of a filament, but assumes that of a membranous expansion of juxtaposed cells, still present the same phenomena to our notice. In the cells set apart for the forma- tion of zoospores, the green protoplasma is increased in quantity, at the same time that it becomes accumulated towards one point of the cell-wall. As the zoospores
RFEW9M96–Sea Lettuceor Ulva lactuca, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895
RMEADC63–Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) green alga washed ashore on rock along the coast
RMDTF5MC–Ulva pavonia, alga
RMAXBW7M–Enteromorpha, green alga, green seaweed (Enteromorpha spec.), detail of the thalli
RF2WPB329–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RFEW98XR–Sea Lettuceor Ulva lactuca, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895
RFEWA19G–Gutweed and Grass Kelp or Ulva intestinalis, vintage engraving. Old engraved illustration of a Gutweed.
RMF8W0TG–Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) green alga washed ashore on rock along the coast
RFC79PTB–Gutweed and Grass Kelp or Ulva intestinalis, vintage engraving. Old engraved illustration of a Gutweed.
RMRD5MP0–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. S14 REPRODUCTION, VEGETABLE (VEGETABLE OVUM). dislocation of the tube, each cell dividing into two in a plane parallel to the septa.* 5. The Ulvaceae, among which the frond has no longer the form of a filament, but assumes that of a membranous expansion of juxtaposed cells, still present the same phenomena to our notice. In the cells set apart for the forma- tion of zoospores, the green protoplasma is increased in quantity, at the same time that it becomes accumulated towards one point of the cell-wall. As the zoospores
RF2WPB31T–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMEADC5Y–Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) green alga washed ashore on rock along the coast
RMRDXP27–. Botany of the living plant. Botany. CHAPTER XXV. GREEN ALGAE (CHLOROPHYCEAE). The Brown and Red Algae form natural and coherent groups of plants, characterised by their colour, but more particularly by their propa- gative organs. Green Algae are a more heterogeneous assemblage of forms. Some are marine : others live in fresh water. Some are uni- cellular, some colonial (Protococcales, Volvoeales) : others, which are multi- cellular, consist of a simple filament, with various degrees of its branching (Ulothricales) ; or they may form widened flat expansions (Ulvaceae) ; others again are coeno
RF2WPB2YD–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMF8W1XW–Sea lettuce (Ulva lactuca) in rock pool
RMRH829M–. Botany of the living plant. Botany. CHAPTER XXV. GREEN ALGAE [CHLOROPHVCEAE). The Brown and Red Algae form natural and coherent groups of plants, characterised by their colour, but more particularly by their propa- gative organs. Green Algae are a more heterogeneous assemblage of forms. Some are marine : others live in fresh water. Some are uni- cellular, some colonial (Protococcales, Volvocales) : others, which are multi- cellular, consist of a simple filament, with various degrees of its branching (Ulothricales) ; or they may form widened fiat expansions (Ulvaceae) : others again are coeno
RF2WPB31P–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMEADC6P–Sea lettuce (Ulva lactuca) and gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) green alga in rock pool
RMW3BXP4–Gutweed / sea lettuce / grass kelp (Ulva intestinalis / Enteromorpha intestinalis) green alga washed on rocky beach
RMRPX8MF–. The algae. Algae. EUPHYCOPHYTA 55 scopic plants are thus all haploid and the diploid is only repre- sented by the enlarged zygote. In this respect it is sharply differ- entiated from the genera Ulva and Enteromorpha (see below). Each zoospore from the zygote divides to give eight peripherally arranged cells with a central cavity and this then develops slowly into a sac. The genus is more widespread than is perhaps thought, frequenting both saHne and fresh waters. * Ulvaceae: Ulva (latin for a marsh plant). Figs. 26,28 The thallus, which is composed of two layers, develops from a single unise
RF2WPB321–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMRR6109–. Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen. Natural history; Natural history -- Germany. 28. Richteriella botryoides (Schmidle) Lemm. 29. Selenastrum Bibraianum Reinsch. 29a. Polyedrium spinulosura Schmidle. Sehr selten im August 1908. (Fig. 2.). 30. 31. 32. DW- CAAvVtoA'vi/» Xev.vvYV. 4. Hydrodictyaceae. Pediastrum Boryanum (Turp.) Menegh. P. duplex Meyen. P. biradiatum Meyen. 32a. Hydrodictyon reticulatum (L.) Lagh. Im August 1908 einige Zellen im Plankton. 5. Ulvaceae. 33. Enteromorpha intestinalis (L.) Link. 6. Chaetophoraceae. 34. Stigeoclonium tenue Kg. 35.
RF2WPB323–Ulva, a genus of marine green algae of the Ulvaceae family. Many species are edible sea lettuce. Algae are thrown onto the pebbles by a wave
RMRH9A9E–. Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik. Botany; Botany. Band XV. No. 5. Jahrgang IV. V REFERIRENDES ORGAN für das Gesammtgebiet der Botanik des In- und Ausla; Herausgegeben unter Mltwirkunsr zahlreicher flelehrteo Dr. Oscar ühlworm „„d Dr. W. J. Beh in Cassel in Göttinnen. No. 31. Abonnement für den Jahrg. [52 Nrn.] mit28 M., pro Quartal 7 M., durch alle Buchhandlungen und Postanstalten.. Referate. Cooke, M. C, British Fresh-Water-Algae. Exclusive of Desmidieae and Diatomaceae. With coloured plates. IV. Vaucheriaceae, Ulvaceae and Confervaceae. 8'^. p.
RF2WPB2XE–Stones on the beach. Algae are thrown onto the pebbles by a wave. Ulva, a genus of marine green algae of the Ulvaceae family. Sea lettuce. Montenegro
RMRCHWNM–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Ulvaceae. (Wille.) /o •Po O O Q/ ^ o ft P-^ Unterlage festgewachsen. Die Zellfläche besteht bei Monostroma und Prasiola wenigstens im obersten Teile des Thallus aus einer einfachen Zellenschicht; bei Ulva und Lettersiedlia besteht der ganze Thallus constant aus 2 Zellschichten Fig. 44 D). Der röhrenförmige Thallas von Enteromorpha und llea kommt dadurch zu Stande, dass sich zwischen den beiden ursprünglichen
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