RF2DYFDMP–MOSCOW, RUSSIA - MAY 25, 2019: Postage stamp printed in Romania shows Soft Hornwort (Ceratophyllum submersum), Water plants serie, circa 1966
RMRYD472–Ceratophyllum Submersum Unarmed Hornwort
RM2C1JA7M–Ceratophyllum submersum sensu Llanos non L Ceratophyllum submersum sensu Llanos non L.
RMD2TWKH–Ceratophyllum submersum Unarmed Hornwort
RM2CEKNN2–. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. tubercular with narrow winglike spinylower margin. Grows freely in ponds andslow streams throughout North Americaexcept in the extreme North. Europeanauthorities mention two other species, C.submersum and C. platyacanthum^ not gener-ally known in the United States. They areprobably natural variants of C. demursum theuniversally distributed species. Podostemon ceratophyllum (Linn.) isanot
RMW1T38R–Archive image from page 89 of De flora van Nederland (1909-11). De flora van Nederland defloravannederl02heuk Year: 1909-11. Ceratophyllum submersTim Fig. 61. Geratophyllum demersum Fig. 62. ') submérsum = ondergedoken. -) demersum = ondergedoken.
RMPFNX1E–. De flora van Nederland. Plants. Ceratophyllum submersTim Fig. 61.. Geratophyllum demersum Fig. 62. ') submérsum = ondergedoken. -) demersum = ondergedoken.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Heukels, Hendrik, 1854-1936. Leiden : N. v. boekhandel en drukkerij voorheen D. J. Brill
RFG57P2C–WILD FLOWERS:Box Starwort Nettle Pellitory Hop Elm Thorn Gale Birch.SOWERBY 1890
RMF0W95E–School of Belica fish (Leucaspius delineatus) at the edge of a Soft hornwort (Ceratophyllum submersum), Danube, Danube Delta, Romania, June.
RMF0W95M–School of Belica fish (Leucaspius delineatus) at the edge of a Soft hornwort carpet (Ceratophyllum submersum), Danube, Danube Delta, Romania, June.
RMF0W5XX–View looking out from underneath floating reedbed to a area of Soft hornwort (Ceratophyllum submersum) swaying in the current, tributary of the Danube Delta, Romania, June.
RMW7T84W–Kettle hole pool which is aquifer-fed pool with fluctuating water levels, with Soft hornwort (Ceratophyllum submersum), Herefordshire. UK, July 2013.
RMW7PK3J–Perch (Perca fluviatilis) against backdrop of Hornwort (Ceratophyllum submersum) UK, captive
RMG9XW82–Great crested newt (Triturus cristatus) male in breeding condition, amongst Soft hornwort (Ceratophyllum submersum), Herefordshi
RMRD2PAX–. De flora van Nederland. Plants. Ceratophyllum submersTim Fig. 61.. Geratophyllum demersum Fig. 62. ') submérsum = ondergedoken. -) demersum = ondergedoken.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Heukels, Hendrik, 1854-1936. Leiden : N. v. boekhandel en drukkerij voorheen D. J. Brill
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