| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-15 | 2016-06-15 | | Lygra (Vestland, Norway) |  |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-12 | 2016-06-12 |  | nordstrand (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | Lambertseterplatået (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | Frogner/ Majorstuen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | Kristelig gymnasium/Ungdomsskole (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | sjølyst (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | Grindbakken (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-07 | | idas vei (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-03 | | lille bislett (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-10 | 2016-06-10 | | Skøyen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-09 | 2016-06-09 | | nordstrand (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-09 | 2016-06-09 | | Ljanskollen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-09 | 2016-06-09 | | Ljanskollen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-09 | 2016-06-09 | | Bygdøy (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-06 | 2016-06-06 | | Vålerenga (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-05 | 2016-06-05 | | Kristelig gymnasium/Ungdomsskole (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-05 | 2016-06-05 | | Brannfjell (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-04 | 2016-06-04 | | Kløfta (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-03 | 2016-06-03 | | Akerselva (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-03 | 2016-06-03 | | Nord Tråstad (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-03 | 2016-06-03 | | Nord Tråstad (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-06-03 | 2016-06-03 | | Nord Tråstad (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-27 | 2016-05-27 | | Klaus Hansens vei (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-24 | 2016-05-24 | | Greåker videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-24 | 2016-05-24 | | Greåker videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-24 | 2016-05-24 | | Greåker videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-24 | 2016-05-24 | | Greåker videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2016-05-24 | 2016-05-24 | | Greåker videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-10-01 | 2015-10-01 | | Naturfagsenteret (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-09-17 | 2015-09-17 | | Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-09-17 | 2015-09-11 | | Asker (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-09-16 | 2015-09-16 | | Ullern videregående skole (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-09-01 | 2015-09-01 | | Frydenbergområdet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-09-01 | 2015-09-01 | | Frydenbergområdet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 2015-08-31 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 2015-08-31 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 2015-08-31 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 2015-08-31 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 1998-01-13 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-08-31 | 2015-08-31 | | fredrikstaddistriktet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-17 | 2015-06-10 | | Lysakerelven (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-15 | 2015-06-08 | | Charlottenlund videregående skole (Trøndelag, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-15 | 2015-06-15 | | Husebyskogen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-15 | 2015-06-15 | | Husebyskogen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-15 | 2015-06-15 | | Husebyskogen (Oslo, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-12 | 2015-06-12 | | Surnadal (Møre og Romsdal, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-11 | 2015-06-11 | | festningen (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-11 | 2015-06-11 | | festningen (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-11 | 2015-06-11 | | skansesletta (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-11 | 2015-06-11 | | skansesletta (Innlandet, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education