| Sea lettuce (Ulva lactuca) | | 2020-09-14 | 2020-09-08 |  | Sjøbadet, Myklebust (Rogaland, Norway) |  |
| Sea lettuce (Ulva lactuca) | | 2020-09-08 | 2020-09-08 | | Dusavik (Rogaland, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-09-08 | 2020-09-08 | | Dusavik (Rogaland, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-09-02 | 2020-08-28 | | Fannestrandveien 98 (Møre og Romsdal, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshella (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-12 | 2020-06-12 | | pollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshella (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-12 | 2020-06-11 | | Håkonshella (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-12 | 2020-06-11 | | håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | håkonshella (Vestland, Norway) | |
| Snøre-slekta (Chaetomorpha sp.) | | 2020-06-12 | 2020-06-11 | | håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-11 | | Håkonshella (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-12 | 2020-06-11 | | Håkonshella (Vestland, Norway) | |
| Snøre-slekta (Chaetomorpha sp.) | | 2020-06-12 | 2020-06-12 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-12 | 2020-06-12 | | Håkonshellapollen (Vestland, Norway) | |
| Snøre-slekta (Chaetomorpha sp.) | | 2020-06-12 | 2020-06-12 | | Håkonshellapollen (Vestland, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-06-11 | 2020-06-10 | | Skattval (Trøndelag, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-09 | 2020-06-09 | | Håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-09 | | Håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-08 | | Håkonshella (Vestland, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Snøre-slekta (Chaetomorpha sp.) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Green algae (Chlorophyta indet.) | | 2020-06-09 | 2020-06-08 | | Håkonshella (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-09 | 2020-06-08 | | Håkonshellapollen (Vestland, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-09 | 2020-06-08 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-08 | | Håkonshellapollen (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-09 | 2020-06-08 | | Håkonshellapollen (Vestland, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-08 | | Håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-08 | | Håkonshella (Vestland, Norway) | |
| Sponge seaweed (Codium fragile) | | 2020-06-09 | 2020-06-08 | | Håkonshellapollen (Vestland, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-04 | 2020-06-02 | | fuglvågen (Trøndelag, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-04 | 2020-06-02 | | fuglvågen (Trøndelag, Norway) | |
| Sea grass (Ulva intestinalis) | | 2020-06-04 | 2020-06-02 | | fuglvågen (Trøndelag, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-06-02 | 2020-06-02 | | Dusavik (Rogaland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-02 | 2020-06-02 | | Dusavik (Rogaland, Norway) | |
| Vanlig grønndusk (Cladophora rupestris) | | 2020-06-02 | 2020-06-02 | | Dusavik (Rogaland, Norway) | |
| Sea lettuce (Ulva lactuca) | | 2020-06-02 | 2020-06-02 | | Dusavik (Rogaland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education