Offwell Wetland Survey
Area A2 - Central Island Zone
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The central island area is a landward zone surrounded on all sides by the stream which enters the wetland (diagram). This splits into two tributaries surrounding the island then rejoining into a single channel to continue into the wetland. Plant species present in this zone are a mixture of dry land species and those preferring damp conditions alongside the stream. Water in the stream tributary surrounding the island is shallow and stagnant and barely flows. |
Plant Species List for Area A2
| Salicaceae | t |
| Salix caprea agg. | Goat Willow |
| Betulaceae | t |
| Alnus glutinosa (L.) Gaertn. | Alder |
| Betula pendula Roth | Silver Birch |
| Ranunculaceae | t |
| Ranunculus repens L. | Creeping Buttercup |
| Saxifragaceae | t |
| Chrysosplenium oppositifolium L. | Opposite-Leaved Golden Saxifrage |
| Rosaceae | t |
| Crataegus monogyna Jacq. | Hawthorn |
| Rubus idaeus L. | Wild Raspberry |
| Rubus fruticosus agg. | Bramble |
| Geraniaceae | t |
| Geranium robertianum L. | Herb-Robert |
| Onagraceae | t |
| Circaea lutetiana L. | Enchanter's Nightshade |
| Epilobium montanum agg. | Broad-leaved Willowherb |
| Chamerion angustifolium (L.) J. Holub | Rosebay Willowherb |
| Umbelliferae | t |
| Angelica sylvestris L. | Angelica |
| Oenanthe crocata L. | Hemlock Water Dropwort |
| Urticaceae | t |
| Urtica dioica L. | Stinging Nettle |
| Ericaceae | t |
| Rhododendron ponticum L. | Rhododendron |
| Primulaceae | t |
| Lysimachia nemorum L. | Yellow Pimpernel |
| Polygonaceae | t |
| Reynoutria japonica Houtt. | Japanese Knotweed |
| Rumex conglomeratus Murray | Clustered Dock |
| Rumex sanguineus L. | Wood Dock |
| Caryophyllaceae | t |
| Silene dioica (L.) Clairv. | Red Campion |
| Stellaria media (L.) Vill. | Common Chickweed |
| Labiateae | t |
| Galiopsis angustifolia Ehrh.ex Hoffm. | Red Hemp Nettle |
| Mentha aquatica L. | Water Mint |
| Stachys sylvatica L. | Hedge Woundwort |
| Rubiaceae | t |
| Galium palustre agg. | Marsh Bedstraw |
Solanaceae |
t |
| Solanum dulcamara L. | Bittersweet/Woody Nightshade |
| Scrophulariaceae | t |
| Digitalis purpurea L. | Foxglove |
| Veronica montana L. | Wood Speedwell |
| Juncaceae | t |
| Juncus effusus L. | Soft Rush |
| Cyperaceae | t |
| Carex pendula Huds. | Pendulous Sedge |
| Carex remota L. | Remote Sedge |
| Scirpus sylvaticus L. | Wood Club-rush |
| Iridaceae | t |
| Iris pseudacorus L. | Yellow Iris |
| Ferns | t |
| Pteridium aquilinum (L.) Kuhn. | Bracken |
These species lists are not exhaustive. They represent initial collections and identifications carried out in early autumn. Many species of flowering plants may already have flowered and died back at this time and would therefore have been missed. These lists will be updated periodically. |
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