potamogeton การใช้

• North American populations have been assigned to " Potamogeton zosteriformis"
• On its surface are floating Nymphaea, submerged are Potamogeton and the marshes feature tracts of Phragmites.
• In recent years Illinois Pondweed ( " Potamogeton illinoensis " ) has invaded the Well.
• As well as the more common British species of the genus Potamogeton, Najas flexilis is also present.
• Its main food in most waters however comprises various waterweeds such as species of Potamogeton for which it commonly dives.
• The largest genus in the family by far is " Potamogeton ", which contains about 100 species.
• All " Potamogeton " have a delicate membranous sheathing scale, the stipule, at the leaf axil.
• The most abundant plants were pondweeds ( Potamogeton richardsonii, P . pectinatus ) and coontail ( Ceratophyllum demersum ).
• Entrances to the Potamogeton Pond Trail can be found on Grand Central Parkway at 217th Street and at 82nd Avenue.
• According to a key monograph on the genus, no hybrids of " Potamogeton obtusifolius " have been confirmed.
• While aquatic vegetation is rarely found, some plants are able to grow in North Manistique including Chara, and Potamogeton.
• The botanical genus " Gaya " was named in his honour, as was the species " Potamogeton gayi"
• On the coast of South Africa, Australian tubeworms have been observed growing on the aquatic plant " Potamogeton pectinatus ".
• "Potamogeton foliosus " is a perennial herb growing from a dense, mat-forming rhizome that anchors in wet substrate.
• The condition of Carrickport lough was reported as unsatisfactory in 2007, with Potamogeton pondweed and the alien species Elodea canadensis are also present.
• The entire lake area gets covered by profuse growth of macrophytic vegetation of water hyacinth and " Potamogeton " sp . during summers.
• During this period Fryer was growing Potamogetons in tanks placed in his garden, tracking their development together with that of their numerous wild counterparts.
• Other species include a pondweed ( " Potamogeton " ) which grows in of water and the rush " Juncus bulbosus ".
• "Potamogeton " species range from large ( stems of 6 m or more ) to very small ( less than 10 cm ).
• "Potamogeton polygonifolius " is tolerant of acid conditions and therefore has not been affected by the widespread acidification of upland habitats in Britain.