Marsileaceae Stock Photos and Images

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Marsileaceae Stock Photos and Images

European water-clover, European water fern (Marsilea quadrifolia), in water, Germany Stock Photo

RM2CC4Y43–European water-clover, European water fern (Marsilea quadrifolia), in water, Germany

Four leaf clover (Marsilea quadrifolia) Stock Photo

RMKFEJC2–Four leaf clover (Marsilea quadrifolia)

Egyptian water-clover, water fern (Marsilea aegyptiaca), sporocarps Stock Photo

RMEBTEY8–Egyptian water-clover, water fern (Marsilea aegyptiaca), sporocarps

Four Leaf Water Clover (Marsilea Mutica), Meadowlark Botanical Gardens, VA Stock Photo

RF2RPHE69–Four Leaf Water Clover (Marsilea Mutica), Meadowlark Botanical Gardens, VA

Forest path with ferns left and right with its latin name, Dryopteris dilatata, on a sunny day in autumn Stock Photo

RF2K5G8R4–Forest path with ferns left and right with its latin name, Dryopteris dilatata, on a sunny day in autumn

Water Clover - Marsilea is a genus of approximately 65 species of aquatic ferns of the family Marsileaceae. Stock Photo

RMKGHD1C–Water Clover - Marsilea is a genus of approximately 65 species of aquatic ferns of the family Marsileaceae.

Close-up of Four-leaf Water Clover or Clover Fern, Selective Focus and Blurred Background Stock Photo

RFM6F9R2–Close-up of Four-leaf Water Clover or Clover Fern, Selective Focus and Blurred Background

European water-clover, European water fern (Marsilea quadrifolia), group, Germany Stock Photo

RM2D6RG7B–European water-clover, European water fern (Marsilea quadrifolia), group, Germany

Regnellidium diphyllum, Kleefarngewaechse, Stock Photo

RFEYNDEJ–Regnellidium diphyllum, Kleefarngewaechse,

pillwort (Pilularia globulifera), young leaf, Germany Stock Photo

RMEBTEBR–pillwort (Pilularia globulifera), young leaf, Germany

Marsilea quadrifolia, Water Shamrock, aquatic ferns of the water clover family, floating in the moat around Preah Khan temples , Stock Photo

RFFPN4EC–Marsilea quadrifolia, Water Shamrock, aquatic ferns of the water clover family, floating in the moat around Preah Khan temples ,

pillwort (Pilularia globulifera), development of a leaf, Germany Stock Photo

RMF00ERP–pillwort (Pilularia globulifera), development of a leaf, Germany

RFFPN5PJ–Marsilea quadrifolia, Water Shamrock, aquatic ferns of the water clover family, floating in the moat around Preah Khan temples ,

pillwort (Pilularia globulifera), sprouts, Germany Stock Photo

RMEBTEC1–pillwort (Pilularia globulifera), sprouts, Germany

Pillwort, Pilularia globulifera Stock Photo

RMC8YW1J–Pillwort, Pilularia globulifera

pillwort (Pilularia globulifera), with sporocarps, Germany Stock Photo

RMF00ERN–pillwort (Pilularia globulifera), with sporocarps, Germany

RMC8YW0T–Pillwort, Pilularia globulifera

RF2BXGT2N–Leaf of a Marsilea Fern

RFDBG39A–Marsilea crenata

European Waterclover (Marsilea quadrifolia) introduced species, leaves floating on surface of water, Texas (U.) S. A Stock Photo

RM2PE7B34–European Waterclover (Marsilea quadrifolia) introduced species, leaves floating on surface of water, Texas (U.) S. A

Beautiful yellow leaves of Water clover on white background Stock Photo

RFF3PDXR–Beautiful yellow leaves of Water clover on white background

RF2EARNEH–Regnellidium diphyllum, Kleefarngewaechse

Green leaves cover of European waterclover - Marsileaceae - Marsilea quadrifolia Stock Photo

RMAB0HDW–Green leaves cover of European waterclover - Marsileaceae - Marsilea quadrifolia

RMAR13GP–Four leaf clover (Marsilea quadrifolia)

Regnellidium diphyllum, aquatic plants Stock Photo

RM2H3J78J–Regnellidium diphyllum, aquatic plants

Closed up a Pair of Vibrant Green Four-leaf Clovers in the Field Stock Photo

RFRN83J3–Closed up a Pair of Vibrant Green Four-leaf Clovers in the Field

Regnellidium diphyllum, clover fern, Stock Photo

RM2H3J22C–Regnellidium diphyllum, clover fern,

Close-up of Four-leaf Water Clover or Clover Fern,in the grass Stock Photo

RFMB50EN–Close-up of Four-leaf Water Clover or Clover Fern,in the grass

botany, European waterclover, (Marsilea quadrifolia), in water, Marsileaceae, Marsileales, Filicatae, Pteropsida, Stock Photo

RMA3X3BG–botany, European waterclover, (Marsilea quadrifolia), in water, Marsileaceae, Marsileales, Filicatae, Pteropsida,

RMBKTK98–pillwort near a small pond

Regnellidium diphyllum, Wasserpflanzen Stock Photo

RFEYNDEM–Regnellidium diphyllum, Wasserpflanzen

Close up of Marsilea quadrifolia, Water Shamrock, aquatic ferns of the water clover family, floating in the moat around Preah Kh Stock Photo

RFFPN5PE–Close up of Marsilea quadrifolia, Water Shamrock, aquatic ferns of the water clover family, floating in the moat around Preah Kh

Four Leaf Clover (Marsilea quadrifolia), leaves. Austria Stock Photo

RMH2E5C4–Four Leaf Clover (Marsilea quadrifolia), leaves. Austria

European waterclover (Marsilea quadrifolia) with 4 lobed leaves, close-up Stock Photo

RMAYEH81–European waterclover (Marsilea quadrifolia) with 4 lobed leaves, close-up

RMF00ERR–pillwort (Pilularia globulifera), with sporocarps, Germany

RFC7ED6W–Pillwort, pilularia globulifera

RF2BM38NC–fresh bright green leaves

Canyon pool with Water Shamrocks (Marsilea mucronata) floating. Coronado National Forest, Peck Canyon, Atascosa Mountains, Arizona, November. Stock Photo

RMW7WM4X–Canyon pool with Water Shamrocks (Marsilea mucronata) floating. Coronado National Forest, Peck Canyon, Atascosa Mountains, Arizona, November.

RF2EARNE2–Regnellidium diphyllum, Wasserpflanzen

Beautiful yellow leaves of Water clover background Stock Photo

RFEND7AJ–Beautiful yellow leaves of Water clover background

European Waterclover (Marsilea quadrifolia) introduced species, leaves floating on surface of water, Texas, U.S.A., February Stock Photo

RMG56YRJ–European Waterclover (Marsilea quadrifolia) introduced species, leaves floating on surface of water, Texas, U.S.A., February

RMAAY56Y–Green leaves cover of European waterclover - Marsileaceae - Marsilea quadrifolia

. A textbook of botany for colleges and universities ... Botany. Figs. 412—414. — Male gametoph3^e of Marsilea: 412, first division of the microspore into vegetative cell (the smaller) and antheridium initial; 413, first division of an- theridium initial; 414, antheridium with wall of sterile cells investing spermatogenous cells (shaded). — After Campbell. the sporocarp is an indusium investing a sorus, while in Marsileaceae it is a leaf blade inclosing a group of sori with their indusia. Gametophytes. —The male gametophyte does not emerge from the microspore, as it does in Salviniaceae, remai Stock Photo

RMRDYF6P–. A textbook of botany for colleges and universities ... Botany. Figs. 412—414. — Male gametoph3^e of Marsilea: 412, first division of the microspore into vegetative cell (the smaller) and antheridium initial; 413, first division of an- theridium initial; 414, antheridium with wall of sterile cells investing spermatogenous cells (shaded). — After Campbell. the sporocarp is an indusium investing a sorus, while in Marsileaceae it is a leaf blade inclosing a group of sori with their indusia. Gametophytes. —The male gametophyte does not emerge from the microspore, as it does in Salviniaceae, remai

Marsilea polycarpa, waterclover Stock Photo

RMDTG1XG–Marsilea polycarpa, waterclover

Closed up the Lucky Symbol Four-leaf Clovers in the Green Field Stock Photo

RFRN83TR–Closed up the Lucky Symbol Four-leaf Clovers in the Green Field

WILD FLOWERS: Pillwort Quillwort Club-moss Nitella Chara. SOWERBY, print 1890 Stock Photo

RFG669J6–WILD FLOWERS: Pillwort Quillwort Club-moss Nitella Chara. SOWERBY, print 1890

RMF00ERM–pillwort (Pilularia globulifera), with sporocarps, Germany

RMC7ED34–Pillwort, pilularia globulifera

Pillwort, Pilularia globulifera Growing Abundantly in a Pool Near Hay Bluff Stock Photo

RFDPHG8J–Pillwort, Pilularia globulifera Growing Abundantly in a Pool Near Hay Bluff

Beautiful green leaves of Water clover Stock Photo

RFEND2YR–Beautiful green leaves of Water clover

RMAAY4WR–Green leaves cover of European waterclover - Marsileaceae - Marsilea quadrifolia

RMRDYF6W–. A textbook of botany for colleges and universities ... Botany. Figs. 412—414. — Male gametoph3^e of Marsilea: 412, first division of the microspore into vegetative cell (the smaller) and antheridium initial; 413, first division of an- theridium initial; 414, antheridium with wall of sterile cells investing spermatogenous cells (shaded). — After Campbell. the sporocarp is an indusium investing a sorus, while in Marsileaceae it is a leaf blade inclosing a group of sori with their indusia. Gametophytes. —The male gametophyte does not emerge from the microspore, as it does in Salviniaceae, remai

Bunch of Vibrant Green Four-leaf Clovers in the Grass Field Stock Photo

RFRN844F–Bunch of Vibrant Green Four-leaf Clovers in the Grass Field

RMF00ERJ–pillwort (Pilularia globulifera), with sporocarps, Germany

Egyptian water-clover, water fern (Marsilea aegyptiaca), leaf Stock Photo

RMEBTEY7–Egyptian water-clover, water fern (Marsilea aegyptiaca), leaf

RMDPHK1P–Pillwort, Pilularia globulifera Growing Abundantly in a Pool Near Hay Bluff

European water-clover, European water fern (Marsilea quadrifolia), at water surface Stock Photo

RMA18G2A–European water-clover, European water fern (Marsilea quadrifolia), at water surface

RFF3PDXK–Beautiful yellow leaves of Water clover background

. A textbook of botany for colleges and universities ... Botany. 178 MORPHOLOGY rangia below. There is also a swelling tissue which in this case bursts out at the top of the sporocarp. The remarkable longevity and resisting power of the sporocarps of Marsilea deserve mention. Sporo- carps preserved on herbarium sheets for fifty years and others kept in 95 per cent alcohol have resumed activity when placed in water. In contrasting the structures called sporocarps in Salviniaceae and Marsileaceae, it is evident that they are very different. In Salviniaceae. Please note that these images are extr Stock Photo

RMRDYF72–. A textbook of botany for colleges and universities ... Botany. 178 MORPHOLOGY rangia below. There is also a swelling tissue which in this case bursts out at the top of the sporocarp. The remarkable longevity and resisting power of the sporocarps of Marsilea deserve mention. Sporo- carps preserved on herbarium sheets for fifty years and others kept in 95 per cent alcohol have resumed activity when placed in water. In contrasting the structures called sporocarps in Salviniaceae and Marsileaceae, it is evident that they are very different. In Salviniaceae. Please note that these images are extr

pillwort (Pilularia globulifera), sporocarps Stock Photo

RMAMX2AJ–pillwort (Pilularia globulifera), sporocarps

Beautiful green leaves of Water clover with reflect in water Stock Photo

RFF3PDX6–Beautiful green leaves of Water clover with reflect in water

. A textbook of botany for colleges and universities ... Botany. 176 MORPHOLOGY. Fig. 407. — MarsUea: showingdorsiventral stem giving rise to roots below and leaves above, circinate vernation of developing leaves, and adaxially borne sporocarps. Marsileaceae This family comprises the genera MarsUea and Pilularia, whose species root in the mud, under water or in muddy flats. Sporophyte. —The stem is dorsiventral, as in the Salviniaceae, but it develops from an apical cell with three cutting faces, thus form- ing three longitudinal rows of segments. The leaves alternate from the dorsal segments, Stock Photo

RMRDYF7Y–. A textbook of botany for colleges and universities ... Botany. 176 MORPHOLOGY. Fig. 407. — MarsUea: showingdorsiventral stem giving rise to roots below and leaves above, circinate vernation of developing leaves, and adaxially borne sporocarps. Marsileaceae This family comprises the genera MarsUea and Pilularia, whose species root in the mud, under water or in muddy flats. Sporophyte. —The stem is dorsiventral, as in the Salviniaceae, but it develops from an apical cell with three cutting faces, thus form- ing three longitudinal rows of segments. The leaves alternate from the dorsal segments,