Site: Porsgrunn sentrum
| Species | Scientific name | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Marsh-marigold | Caltha palustris | 1 | |||||||||
| Dauvnesle | Lamium album | 1 | 1 | ||||||||
| Shepherd's-purse | Capsella bursa-pastoris | 1 | 1 | 1 | |||||||
| Yellow Star-of-Bethlehem | Gagea lutea | 1 | 1 | 1 | |||||||
| Haredylle | Sonchus oleraceus | 1 | 1 | ||||||||
| Horse-chestnut | Aesculus hippocastanum | 1 | 1 | ||||||||
| Hvitkløver | Trifolium repens | 1 | |||||||||
| Krabbekløver | Trifolium campestre | 1 | |||||||||
| Creeping Buttercup | Ranunculus repens | 1 | |||||||||
| Murtorskemunn | Cymbalaria muralis | 1 | |||||||||
| Prestekrage | Leucanthemum vulgare | 1 | |||||||||
| Rødkløver | Trifolium pratense | 1 | |||||||||
| Slyngsøtvier | Solanum dulcamara | 1 | 1 | ||||||||
| Småtorskemunn | Chaenorhinum minus | 1 | |||||||||
| Svaleurt | Chelidonium majus | 1 | 1 | 1 | 1 | ||||||
| Sølvmure | Potentilla argentea | 1 | |||||||||
| Common Chickweed | Stellaria media | 1 | |||||||||
| Winter-cress | Barbarea vulgaris | 1 | |||||||||
| Åkersvineblom | Senecio vulgaris | 1 | 1 | ||||||||
| Asalslekta | Sorbus sp. | 1 | |||||||||
| Hestekastanjeslekta | Aesculus sp. | 1 | |||||||||
| Crocus | Crocus sp. | 1 | 1 | 1 | 1 | ||||||
| Dandelion | Taraxacum sp. | 1 | 1 | ||||||||
| Påskeliljeslekta | Narcissus sp. | 1 |
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