1![CURLY-LEAF PONDWEED (Potamogeton crispus) This undesirable exotic, also known as Crisp Pondweed, bears a waxy cuticle on its upper leaves making them stiff and somewhat brittle. CURLY-LEAF PONDWEED (Potamogeton crispus) This undesirable exotic, also known as Crisp Pondweed, bears a waxy cuticle on its upper leaves making them stiff and somewhat brittle.](https://www.pdfsearch.io/img/f206031d6e42875893e6d536a250e529.jpg) | Add to Reading ListSource URL: www.mapms.orgLanguage: English - Date: 2015-02-22 14:06:37
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2![Canadian waterweed (Elodea canadensis) Nuttall’s waterweed (Elodea nuttallii) Photos © Armin Jagel, www.botanik-bochum.de Canadian waterweed (Elodea canadensis) Nuttall’s waterweed (Elodea nuttallii) Photos © Armin Jagel, www.botanik-bochum.de](https://www.pdfsearch.io/img/ac173dfd0b4a56ea44b0af791d9b3d05.jpg) | Add to Reading ListSource URL: www.frammandearter.seLanguage: English - Date: 2009-06-05 08:39:55
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3![European Marine Sand and Gravel Group Marine sand and gravel – Finding common ground EMSAGG 2015 Conference 4 – 5 June 2015, Delft, Netherlands European Marine Sand and Gravel Group Marine sand and gravel – Finding common ground EMSAGG 2015 Conference 4 – 5 June 2015, Delft, Netherlands](https://www.pdfsearch.io/img/426a84ca2b9aae6cf62154af399c9c14.jpg) | Add to Reading ListSource URL: sednet.orgLanguage: English - Date: 2014-09-23 04:48:09
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4![Managing Invasive Non-Native Species in Scotland’s Water Environment: A summary of local actions Managing Invasive Non-Native Species in Scotland’s Water Environment: A summary of local actions](https://www.pdfsearch.io/img/5109638b6a8fd74d9c266aff8145d89d.jpg) | Add to Reading ListSource URL: www.sepa.org.ukLanguage: English - Date: 2014-11-05 10:25:52
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5![Lake George Aquatic Plant Survey August 2-3, 2006, Anoka County, Staff: Carolyn Dindorf and Roman Rowan Latin Bidens beckii Brasenia schreberi Lake George Aquatic Plant Survey August 2-3, 2006, Anoka County, Staff: Carolyn Dindorf and Roman Rowan Latin Bidens beckii Brasenia schreberi](https://www.pdfsearch.io/img/78d44dd89ff6d7627c530eb0748f2dc7.jpg) | Add to Reading ListSource URL: upload.wikimedia.orgLanguage: English - Date: 2013-10-06 05:29:44
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6![www.biodiversityireland.ie Produced April, 2009 Nuttall’s Waterweed Species Description Scientific name: Elodea nuttallii (Planch.) H. St. John www.biodiversityireland.ie Produced April, 2009 Nuttall’s Waterweed Species Description Scientific name: Elodea nuttallii (Planch.) H. St. John](https://www.pdfsearch.io/img/8774b56f8a7e8157608f24bbd36057af.jpg) | Add to Reading ListSource URL: invasives.biodiversityireland.ieLanguage: English - Date: 2013-08-14 05:47:16
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7![Native Aquatic Plants of Lake Tahoe Andean Milfoil (Myriophyllum quintense) Characteristics: feather-like submersed leaves in whorls of two to four, blue-green emergent leaves, tiny flowers (0.7mm-1.2mm long) with four p Native Aquatic Plants of Lake Tahoe Andean Milfoil (Myriophyllum quintense) Characteristics: feather-like submersed leaves in whorls of two to four, blue-green emergent leaves, tiny flowers (0.7mm-1.2mm long) with four p](https://www.pdfsearch.io/img/eb34a82222c569a6f366c333ed277576.jpg) | Add to Reading ListSource URL: tahoercd.orgLanguage: English - Date: 2013-03-10 14:34:51
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8![The National Biodiversity Data Centre African curly waterweed Lagarosiphon major Documenting Ireland’s Wildlife The National Biodiversity Data Centre African curly waterweed Lagarosiphon major Documenting Ireland’s Wildlife](https://www.pdfsearch.io/img/d509cf42d10d2693055544901da4bd2d.jpg) | Add to Reading ListSource URL: invasives.biodiversityireland.ieLanguage: English - Date: 2013-12-16 07:38:47
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9![www.biodiversityireland.ie Produced April, 2009 Nuttall’s Waterweed Species Description Scientific name: Elodea nuttallii (Planch.) H. St. John www.biodiversityireland.ie Produced April, 2009 Nuttall’s Waterweed Species Description Scientific name: Elodea nuttallii (Planch.) H. St. John](https://www.pdfsearch.io/img/e95f2c8e9f8dc869d8905f073694ba90.jpg) | Add to Reading ListSource URL: invasives.biodiversityireland.ieLanguage: English - Date: 2013-08-14 05:47:15
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10![Problematic Aquatic Species The introduction of non-native invasive species is now a major cause of species extinction in freshwater systems (Millennium Ecosystem Assessment, [removed]Azolla filiculoides Crassula helmsii Problematic Aquatic Species The introduction of non-native invasive species is now a major cause of species extinction in freshwater systems (Millennium Ecosystem Assessment, [removed]Azolla filiculoides Crassula helmsii](https://www.pdfsearch.io/img/7ddb64f74e8c7712ce4215a35a570e3b.jpg) | Add to Reading ListSource URL: invasives.biodiversityireland.ieLanguage: English - Date: 2013-08-14 05:50:17
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