| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-11 | 2015-05-28 |  | skansesletta (Innlandet, Norway) |  |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-10 | 2015-06-10 | | Rimbareid (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-10 | 2015-06-10 | | Kvitsøy (Rogaland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-09 | 2015-06-09 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-05 | 2015-06-05 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-05 | 2015-06-05 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-05 | 2015-06-05 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-04 | 2015-06-04 | | Frydenbergområdet (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-04 | 2015-06-04 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-04 | 2015-06-04 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-04 | 2015-06-04 | | Frederik Ii videregående skole (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-03 | 2015-06-03 | | Jørpeland ungdomsskole (Rogaland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Tråstad Ungdomsskole (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Tråstad Ungdomsskole (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Tråstad Ungdomsskole (Innlandet, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Sandvika (Akershus, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Ortunvannet (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-02 | 2015-06-02 | | Ortunvannet (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-01 | 2015-06-01 | | Ortunvannet (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-06-01 | 2015-06-01 | | Ortunvannet (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-31 | 2015-05-31 | | Mjeldalsvatnet - Haus sentrum (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-30 | 2015-05-30 | | Bruvik (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-29 | 2015-05-27 | | Innfjorden Friskole Sa (Møre og Romsdal, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-29 | 2015-05-29 | | Setesdal Videregåande skule/Avd Hornnes (Agder, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-28 | 2015-05-27 | | Innfjorden Friskole Sa (Møre og Romsdal, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-28 | 2015-05-28 | | Sandgotna skole (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-27 | 2015-05-27 | | Klaus Hansens vei (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-27 | 2015-05-27 | | Tjodalyng barne- og ungdomsskole (Vestfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-05-27 | 2015-05-27 | | Tjodalyng barne- og ungdomsskole (Vestfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-04-23 | 2015-04-23 | | Kronstad (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-04-23 | 2015-04-23 | | Kronstad (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-04-23 | 2015-04-23 | | Kronstad (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2015-04-23 | 2015-04-23 | | Kronstad (Vestland, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2014-05-22 | 2014-05-22 | | Rundt skolen (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2014-05-22 | 2014-05-22 | | Rundt skolen (Østfold, Norway) | |
| Giant Hogweed (Heracleum mantegazzianum) | | 2007-08-23 | 2007-08-23 | | Uteklasserommet (Møre og Romsdal, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education