| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) |  |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 |  | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2019-06-06 | 2019-06-04 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidarvoll skole (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2019-06-06 | 2019-06-06 | | Nidelva leirfossen (Trøndelag, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2019-05-22 | 2019-05-22 | | Lygra (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2019-05-22 | 2019-05-21 | | Lygra (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2019-05-22 | 2019-05-21 | | Lygra (Vestland, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2018-09-19 | 2018-09-19 | | Tanem (Trøndelag, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2018-06-18 | 2018-06-18 | | Skolevei (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2018-06-18 | 2018-06-18 | | Skolevei (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-09-29 | 2017-09-29 | | Hagellia (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-09-28 | 2017-09-28 | | Stend (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-09-28 | 2017-09-28 | | Stend (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-09-04 | 2017-09-04 | | Ullern vgs (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-09-04 | 2017-09-04 | | Ullern vgs (Oslo, Norway) | |
| Kystbjørnekjeks (Heracleum sphondylium subsp. sphondylium) | | 2017-06-07 | 2017-06-07 | | Apeltunvatnet (Vestland, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2017-06-01 | 2017-06-01 | | Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-30 | 2017-05-30 | | nærmiljø_Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-30 | 2017-05-30 | | Klaus Hansens vei (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-30 | 2017-05-30 | | Klaus Hansens vei (Vestland, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2017-05-30 | 2017-05-30 | | nærmiljø_Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-30 | 2017-05-30 | | Klaus Hansens vei (Vestland, Norway) | |
| Tromsøpalme (Heracleum persicum) | | 2017-05-29 | 2017-05-29 | | nærmiljø_Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-07 | 2017-05-07 | | Vardåsen (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2017-05-07 | 2017-05-07 | | Vardåsen (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-08 | 2016-09-08 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-07 | 2016-09-07 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-07 | 2016-09-07 | | Knipleparken og området rundt (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-07 | 2016-09-07 | | Knipleparken og området rundt (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-07 | 2016-09-07 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-06 | 2016-09-06 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-06 | 2016-09-06 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-06 | 2016-09-06 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-09-06 | 2016-09-06 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-08-22 | 2016-08-22 | | Flaktveit (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-08-22 | 2016-08-22 | | Flaktveit (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-08-19 | 2016-08-19 | | Lygra (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-08-19 | 2016-08-19 | | Lygra (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-16 | 2016-06-16 | | Lygra (Vestland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education