distribution of Ceratophyllum demersum. Source: Freshwater Biodata Information System (FBIS) 2005

Common Genus Species name Locality Ceratophyllum demersum hornwort Blue Creek near Moutere River, about 100m downstream of Ching Rd Ceratophyllum demersum hornwort Boggy Pond wildlife Management Reserve and buffer Ceratophyllum demersum hornwort Foxton Ceratophyllum demersum hornwort Foxton Lake - adjoining pond Ceratophyllum demersum hornwort Foxton Lake No 1 (Omanu) Ceratophyllum demersum hornwort Foxton, Moutua (Motua) Drain, Whirikino bridge Ceratophyllum demersum hornwort Glen Innes Reserve Ceratophyllum demersum hornwort Glen Innes, Tahuna-Torea Nature Reserve Ceratophyllum demersum hornwort Hamilton Gardens Ceratophyllum demersum hornwort J.K. Donald Reserve, J.K. Donald ReserveSouthern reserve Ceratophyllum demersum hornwort Karapiro Ceratophyllum demersum hornwort Kennedy Rd, Napier Ceratophyllum demersum hornwort Koputaroa Drains next to Koputaroa Rd Ceratophyllum demersum hornwort Lake Arapuni Ceratophyllum demersum hornwort Lake Heather Ceratophyllum demersum hornwort Ceratophyllum demersum hornwort Lake Kereta, at end of Wilson Road Ceratophyllum demersum hornwort Lake Kopureherehere, Forest Lakes Ceratophyllum demersum hornwort Lake Koputara Ceratophyllum demersum hornwort Lake Maraetai Ceratophyllum demersum hornwort Lake NGAKEKETA Ceratophyllum demersum hornwort Lake Ngaroto Ceratophyllum demersum hornwort Lake ROTOITI(1) Ceratophyllum demersum hornwort Lake ROTOROA(5) Ceratophyllum demersum hornwort Lake ROTORUA(1) Ceratophyllum demersum hornwort Lake Rotoaira Ceratophyllum demersum hornwort Lake Rotoaira, Motor Camp boat ramp Ceratophyllum demersum hornwort Lake Rotoaira, Poutu Canal boat ramp Ceratophyllum demersum hornwort Lake Rotoiti Ceratophyllum demersum hornwort Lake Rotorua Ceratophyllum demersum hornwort Lake SANDTOFT Ceratophyllum demersum hornwort Lake Tarawera Ceratophyllum demersum hornwort , Braxmere Lodge -Waihi Ceratophyllum demersum hornwort Lake Taupo, Kinloch Marina Ceratophyllum demersum hornwort Lake Taupo, Kuratau Spit Ceratophyllum demersum hornwort Lake Taupo, Little Acacia Bay Ceratophyllum demersum hornwort Lake Taupo, Motuoapa Ceratophyllum demersum hornwort Lake Taupo, Te Moenga Bay Ceratophyllum demersum hornwort Lake Taupo, Tokaanu Tailrace Ceratophyllum demersum hornwort Lake Taupo, Two Mile Bay Ceratophyllum demersum hornwort Lake TaupoWhangamata Bay, 'The Raupo' Ceratophyllum demersum hornwort Lake Waipapa Lake Wairarapa Domain, DomainDrain on farmland at W edge of Ceratophyllum demersum hornwort Domai Ceratophyllum demersum hornwort Lake Wairarapa Wetland Stewardship Ceratophyllum demersum hornwort Lake Wairarapa Wetland Stewardship, Dune Block and part Wairio Bl Ceratophyllum demersum hornwort Lake Wairarapa, Bartons lagoon Ceratophyllum demersum hornwort Lake Wairarapa, Drain between Oporua spillway and Boggy Pond Ceratophyllum demersum hornwort Lake Wairarapa, Lake Domain Ceratophyllum demersum hornwort Lake Wairarapa, Lake Outlet irrigation drain running perpendicula Ceratophyllum demersum hornwort Lake Wairarapa, Mangatete Stream and its backwaters Ceratophyllum demersum hornwort Lake Wairarapa, Matthews Lagoon Ceratophyllum demersum hornwort Lake Wairarapa, Oporua Spillway and drains entering Boggy Pond New Zealand distribution of Ceratophyllum demersum. Source: Freshwater Biodata Information System (FBIS) 2005

Ceratophyllum demersum hornwort Lake Wairarapa, Ruamahanga Cutoff Ceratophyllum demersum hornwort Lake Wairarapa, Small stream both sides of Lake Domain bridge Ceratophyllum demersum hornwort Lake Wairarapa, Wairoa lake front Ceratophyllum demersum hornwort Lake Waitawa, Forest Lakes Ceratophyllum demersum hornwort Lake Whangape Ceratophyllum demersum hornwort Lake Wiritoa Ceratophyllum demersum hornwort MATTOCKS POND Ceratophyllum demersum hornwort Makerau Swamp Wildlife Management Reserve, Tokomaru Ceratophyllum demersum hornwort Makerua Swamp, In central drain through swamp and neighboring Tok Ceratophyllum demersum hornwort Manawatu Plains Ecological District Ceratophyllum demersum hornwort Manawatu River, at State Highway 1 overbridge near * Ceratophyllum demersum hornwort Manawatu, Foxton; Foxton Loop" (cut-off of Manawatu River)" Ceratophyllum demersum hornwort Mathews Lagoon, Wairarapa, Margin of whole lagoon Ceratophyllum demersum hornwort Matthews Wildlife Reserve Ceratophyllum demersum hornwort Mihi Bridge, Waik R Ceratophyllum demersum hornwort Moutoa,Manawatu Ceratophyllum demersum hornwort Moutua Floodway Ceratophyllum demersum hornwort Newlands, Wellington 'Westhaven Subdivision, artificial pond Ceratophyllum demersum hornwort Ngongataha, L Rotorua Ceratophyllum demersum hornwort Ohakuri, Waik R Ceratophyllum demersum hornwort Ohakuri, nr Orakei Korako, Waik R Ceratophyllum demersum hornwort Omanuka Lagoon Ceratophyllum demersum hornwort Raumahunga cut off wildlife reserve Ceratophyllum demersum hornwort S side of Tukituki R nr mouth Ceratophyllum demersum hornwort SHAGFOOD Lake Ceratophyllum demersum hornwort Shannon Ceratophyllum demersum hornwort Te Pohue Ceratophyllum demersum hornwort Thompsons Lagoon, Napier Ceratophyllum demersum hornwort Tokaanu end of Taupo Ceratophyllum demersum hornwort Upper Moutere Ceratophyllum demersum hornwort WAHI Lake Ceratophyllum demersum hornwort Waahi Ceratophyllum demersum hornwort River between Mercer and Meremere Ceratophyllum demersum hornwort , Waipapa Hydro * Ceratophyllum demersum hornwort Waikato River, under Tuakau Bridge Ceratophyllum demersum hornwort Wanganui District, Lake Wiritoa Ceratophyllum demersum hornwort Whangape Ceratophyllum demersum hornwort north of Dargaville, drain entering Kaihu River Ceratophyllum demersum hornwort nr Greenmeadows, Hawkes Bay, drain Ceratophyllum demersum hornwort pond off Waitoa Canal, Kopuatai

New Zealand distribution of Ceratophyllum demersum. Source: Freshwater Biodata Information System (FBIS) 2005