Potamogeton perfoliatus ContentStatus Endemism Red Data Book category Distribution Altitudinal range Life-form Flowering Period Status Naturalized non-invasive (NN) Endemism not endemic Red Data Book category Endangered (EN)IUCN criteria: D1 Distribution Division 6 naturalized non-invasiveADivision 7 naturalized non-invasiveAA. Hand, R. 2006: Supplementary notes to the flora of Cyprus V. – Willdenowia 36: 761-809 Altitudinal range 150 mB B. Hand, R. 2006: Supplementary notes to the flora of Cyprus V. – Willdenowia 36: 761-809 Life-form Aquatic Flowering Period May–Aug