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Ruppia maritima is an aquatic plant species commonly known as beaked tasselweed, beaked ditchgrass, [citation needed] ditch grass, tassel pondweed and widgeon grass. [2] Despite its scientific name , it is not a marine plant ; is perhaps best described as a salt-tolerant freshwater species. [ 3 ]
Turtle grass can also sexually reproduce through the production of underwater flowers and hydrophily. Turtle grass is dioecious, which means that there are separate male and female plants, each which produce an imperfect flower containing only one sex. Sexual reproduction takes place from April to July depending on location, though flowering ...
Syringodium filiforme, commonly known as manatee grass, is a species of marine seagrass. It forms meadows in shallow sandy or muddy locations in the Caribbean Sea and the Gulf of Mexico, and is also found in the Bahamas and Bermuda. [1] [2] It occurs to a depth of about 20 m (66 ft), and even deeper where water is very clear. [1]
In late spring the plant produces rigid flower spikes consisting of three to six spikelets bearing long, stiff awns which assist in seed distribution. When the grass matures, the spikelets fall off in their entirety to germinate on the ground, [2] and the long awns which give the plant its name assist in dispersal by animals, wind or water. [4]
For instance, plants collected from high-nutrient environments had lower C:N and C:P ratios than plants collected from low-nutrient environments. Seagrass stoichiometry does not follow the Redfield ratio commonly used as an indicator of nutrient availability for phytoplankton growth. In fact, a number of studies from around the world have found ...
Vallisneria (named in honor of Antonio Vallisneri [3] [4]) is a genus of freshwater aquatic plant, commonly called eelgrass, tape grass or vallis. The genus is widely distributed in tropical and subtropical regions of Asia, Africa, Australia, Europe, and North America.
Chasmanthium latifolium, known as fish-on-a-fishing-pole, northern wood-oats, inland sea oats, northern sea oats, and river oats is a species of grass native to the central and eastern United States, Manitoba, and northeastern Mexico; it grows as far north as Pennsylvania and Michigan, [2] where it is a threatened species. [3]
Reports of the plant's height vary; estimates include up to 60 cm (24 in), [5] 15–75 cm (5.9–29.5 in), [6] and up to 100 cm (39 in). [2] E. angustifolium has "stiff grass-like foliage" consisting of long, narrow solidly dark green leaves, which have a single central groove, and narrow from their 2–6-millimetre (0.08–0.24 in) wide base ...