Identification of Featheryleaved Aquatic Plants











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This video is the second in the 2023 series of aquatic plant identification webinars - part of the BSBI's Irish Aquatic Plants Project, supported by NPWS. Expert Nick Stewart presents: Identification of Feathery-leaved Aquatic Plants. • 00:00 Introduction • 05:22 Books and keys • 11:28 Leaf arrangement • 12:23 Leaf divisions • 15:15 Whorled leaves - forked - Ceratophyllum • 16:59 - Myriophyllum • 17:37 - Ceratophyllum demersum - fruits • 18:04 - Stoneworts (charophytes) • 21:37 - Hottonia palustris • 23:33 Staggered leaves - Ranunculus • 26:10 - Utricularia • 30:25 Alternate leaves with first division pinnate: 4 Apiaceae • 31:41 Leaf segments filiform • 32:32 - Helosciadium inundatum • 32:43 - Oenanthe aquatica • 34:55 - Oenanthe fluviatilis • 37:35 - Sium latifolium

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