Search results
Results from the WOW.Com Content Network
Phalaris aquatica originated from Southern Europe and the Caucasus. It is naturalized in South Africa, Australia, New Zealand and the USA. [5] Although very recently introduced there, its pasture value was first recognised in Australia. [6] Domesticated cultivation then spread to the United States, Argentina and several other countries in South ...
Many of these species are dangerous invasives and should be disposed of in a way that guarantees that they will not enter local waters. Common aquarium plant species: Aciotis acuminifolia. Acmella repens. Acorus calamus (Common sweet flag) Acorus gramineus (Japanese sweet flag) Aldrovanda vesiculosa. Alisma canaliculatum.
Vallisneria is a submerged plant that spreads by runners and sometimes forms tall underwater meadows. Leaves arise in clusters from their roots. The leaves have rounded tips, and definite raised veins. Single white female flowers grow to the water surface on very long stalks. [3] Male flowers grow on short stalks, become detached, and float to ...
Rearing white-clawed crayfish at Cynrig hatchery, Wales. Establishing a breeding population from introduced captive-bred animals. Cajun style crawfish A man selling dried crayfish at an African market. Crayfish [a] are freshwater crustaceans belonging to the infraorder Astacidea, which also contains lobsters.
Ichthyophthirius multifiliis, often termed " Ich ", [1][2] is a parasitic ciliate described by the French parasitologist Fouquet [who?] in 1876. Only one species is found in the genus which also gave name to the family. The name literally translates as "the fish louse with many children". The parasite can infect most freshwater fish species and ...
Sagittaria plant stock (the perennial rhizome) is a horizontal creeper (stoloniferous). The leaf grows up to .3–.9 metres (1–3 ft) tall, with a shape resembling an arrowhead. Between July and September, a single stalk bears groups of three white flowers with three petals each. [4] It is obliquely obovate, the margins winged, with an apical ...
Anubias. Anubias is a genus of aquatic and semi-aquatic flowering plants in the family Araceae, native to tropical central and western Africa. They primarily grow in rivers and streams, but can also be found in marshes. They are characterized by broad, thick, dark leaves that come in many different forms.
You may have heard that the white stuff on baby carrots is chlorine, but that’s just a myth. It’s actually a thin layer of film caused by dehydration, known as “carrot blush.”.