Zannichellia

Growing submerged in the marsh pools and low salinity open water are narrow-leaved pondweed Potamogeton pectinatus, Zannichellia palustris, Ekebergia spp.,

Ichkeul National Park, Tunisia 2008

_ At 17,000 feet, an _Oscillatoria, _ attached or adherent to _Zannichellia_; and, finally, on the bare ground, at 18,000 feet, on the Donkia mountains, an obscure species of _Caenocoleus.

Himalayan Journals — Complete 1864

_Zannichellia palustris_ and _Ranunculus aquatilis, _ both English and

Himalayan Journals — Complete 1864

Aponogeton, _ three species of _Potamogeton, _ two of _Naias, Chara_ and _Zannichellia_ (the two latter indifferently, and often together, used in the refinement of sugar).

Himalayan Journals — Complete 1864

_Cynoglossum, Veronica, Potentilla, Ranunculus sceleratus, Rumex, _ several herbaceous _Compositae_ and _Labiatae_; _Tamarix_ formed a small bush in rocky hillocks in the bed of the river, and in pools were several aquatic plants, _Zannichellia, Chara, _ a pretty little

Himalayan Journals — Complete 1864

The occurrence of species such as perfoliate Potamogeton perfoliatus, horned pondweed Zannichellia palustris and water milfoils Myriophyllum spp. is due to the area’s relatively sheltered situation.

Kvarken Archipelago High Coast, Finland and Sweden 2008