Quick filters:
Page 1 of 1
Azolla caroliniana Stock Photos and Images
RFT1WFCP–Mosquito fern (Azolla caroliniana); one of world's smallest true fern species. Grows on surface of still freshwater, often completely covering the sur
RF2AXGG36–Lagoon of the ecological reserve of Vicente Lopez, Buenos Aires, covered with vegetation: water fern, azolla filiculoides, salviniaceae and pistia; a
RMW7RFN3–American Water Fern (Azolla filliculoides) invasive species, growing in pond in Surrey, England.
RMW7RFMY–American Water Fern (Azolla filliculoides) invasive species, growing in pond in Surrey, England
RMCTMHW3–The electric boat arrives at the Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in New York
RF2WBRJKF–Common water-crowfoot (Ranunculus aquatilis) is an aquatic plant native to Europe, northwest Africa and west North America. Next to aquatic fern (Azol
RFT60420–Azolla caroliniana is known as mosquito fern. It is a genus of Azolla, vintage line drawing or engraving illustration.
RMRDYXG7–. Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. FIG. 134. Floating Pondmoss, Azolla caroliniana. CRYSTALWORT Two species of Crystalwort, Riccia fluitans and R. nutans. Fig. 135, are sometimes introduced into the aquarium. They are bright-green mosslike plants growing on the surface of still water, of which the first is the most common form and may be found in many coldwater ponds and streams. It has repeatedly forked, threadlike leaves, of which the segmented branches grow
RMMCH046–. Nelumbium. (jEpE^L LI0T OF CHOICE JQ.[JATIdp AZOLLA CAROLINIANA. A floating plant which produces no flowers, but is ex- ceedingly interesting on account of the beauty and deli- cacy of its foliage. A small plant placed in a pan of water soon covers the entire surface; it should be grown in the shade. 25 cts. each. CERATOPTERIS THALICTROIDES. This is an extremely curious and interesting Fern, grow- ing with its roots entirely submerged in water, either in a pot or planted out in shallow water. The fronds are from 1 to 3 feet long and beautifully forked; it is sometimes called the floating S
RF2AXGG74–Lagoon surface completely covered by aquatic plants, one of them flowered, ecological reserve of Vicente Lopez, Buenos Aires, Argentina. Water fern, a
RMCTD50G–The Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in New York
RFT5R6H6–An Azolla Caroliniana is small floating and tiny plant, leaves surface is soft. The roots hang on water, vintage line drawing or engraving illustratio
RMREDKNA–. The complete aquarium book; the care and breeding of goldfish and tropical fishes. Aquariums; Goldfish. 56 AQUATIC PLANTS AZOLLA Azolla caroliniana is one of the less-used of small floating aquatics. It is not in any way a brilliant plant, but has a rather quaint charm. The leaves are of velvety appearance and range from a dull sage-green to dark red, according to age and the conditions of light. To be had of some dealers. Native to the Southern States. CRYSTALWORT Riccia jiuitans grows in masses. It floats just beneath the surface and is valuable in the propagation of small tropical fishes,
RMCTD57K–The Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in New York
RMRDTWBD–. British plants; their biology and ecology. Botany; Botany; Plant ecology. '238 BRITISH PLANTS of submerged plants by forming a dense covering through which no light can penetrate. In such cases there is usually a well-marked periodicity in the development of the vegetation. In the spring and early summer the submerged plants grow luxuriantly, until the duckweed has multiplied sufificiently to form a thick covering, after which they cease to grow. In some places in the south of England a floating water-fern {Azolla caroliniana) has become established. This is a native of the southern. Fio. 10
RMCTD58W–The electric boat cuts a swath up to the Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in NY
![. The book of water gardening;. Aquatic plants. [from old catalog]. THE BOOK OF WATER GARDENING the hawthorn. The anthers are purple, the leaves oblong-, lanceolate, floatin<y on the surface of the water. This is a fine subject for naturalizing in ponds where it can be planted in water of a depth of two feet and where the water does not freeze over. In the Northern States it is best lifted and carried over the 'Winter in the greenhouse tank where it will flower toward Spring and continue blooming for a long period. Azolla Caroliniana is a small, floating moss-like plant, which increases rap Stock Photo](https://c8.alamy.com/comp/RHBT8T/the-book-of-water-gardening-aquatic-plants-from-old-catalog-the-book-of-water-gardening-the-hawthorn-the-anthers-are-purple-the-leaves-oblong-lanceolate-floatinlty-on-the-surface-of-the-water-this-is-a-fine-subject-for-naturalizing-in-ponds-where-it-can-be-planted-in-water-of-a-depth-of-two-feet-and-where-the-water-does-not-freeze-over-in-the-northern-states-it-is-best-lifted-and-carried-over-the-winter-in-the-greenhouse-tank-where-it-will-flower-toward-spring-and-continue-blooming-for-a-long-period-azolla-caroliniana-is-a-small-floating-moss-like-plant-which-increases-rap-RHBT8T.jpg ". The book of water gardening;. Aquatic plants. [from old catalog]. THE BOOK OF WATER GARDENING the hawthorn. The anthers are purple, the leaves oblong-, lanceolate, floatin<y on the surface of the water. This is a fine subject for naturalizing in ponds where it can be planted in water of a depth of two feet and where the water does not freeze over. In the Northern States it is best lifted and carried over the 'Winter in the greenhouse tank where it will flower toward Spring and continue blooming for a long period. Azolla Caroliniana is a small, floating moss-like plant, which increases rap Stock Photo")
RMRHBT8T–. The book of water gardening;. Aquatic plants. [from old catalog]. THE BOOK OF WATER GARDENING the hawthorn. The anthers are purple, the leaves oblong-, lanceolate, floatin<y on the surface of the water. This is a fine subject for naturalizing in ponds where it can be planted in water of a depth of two feet and where the water does not freeze over. In the Northern States it is best lifted and carried over the 'Winter in the greenhouse tank where it will flower toward Spring and continue blooming for a long period. Azolla Caroliniana is a small, floating moss-like plant, which increases rap
RMCTD57A–Waterfowl cut a swath in the lullwater section of the Prospect Park Lake in Brooklyn in New York
RMRE3EN7–. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. Aquariums; Goldfish. 202 AQUATIC PLANTS AZOLLA Azolla caroliniana is one of the less used of small floating aquatics. It is not in any way a brilliant plant, but has a rather quaint charm. The leaves are of velvety appearance and range from a dull sage- green to dark red, according to age and the conditions of light. To be had of dealers. Native to the Southern States. CRYSTALWORT Riccia fJiiitaiis grows in masses in small, angular shapes, resembling crystal formation. It floats just beneath th
RMCTD52E–The electric boat cuts a swath up to the Audubon Center in the lullwater section of the Prospect Park Lake in Brooklyn in NY
RMRH28YH–. British plants : their biology and ecology. Plants; Plant ecology. 238 BRITISH PLANTS of submerged plants by forming a dense covering through which no light can penetrate. In such cases there is usually a well-marked periodicity in the development of the vegetation. In the spring and early summer the submerged plants grow luxuriantly, until the duckweed has multiplied sufficiently to form a thick covering, after which they cease to grow. In some places in the south of England a floating water-fern (Azolla caroliniana) has become established. This is a native of the southern. / / Fig. iOi).—H
RM2AWRDBH–The structure & development of the mosses and ferns (Archegoniatae) . eloped leaves of Azolla are all alike. InA. filiculoides the two lobes are of nearly equal size, the loweror ventral one, which is submersed, somewhat larger, but simplerin structure. The dorsal lobe shows a large cavity near its base(Fig. 204, A), which opens on the inner side by a small pore.On the outer side the epidermal cells are produced into shortpapillate hairs, which in some species, e.g. A. Caroliniana, aretwo-celled. Stomata of peculiar form (Fig. 204, B) occur on 1 Prantl (i), PI. I. Figs. 2, 3. XII LEPTOSPORANGI
Search Results for Azolla caroliniana Stock Photos and Images (50)
Page 1 of 1