| Site of Special Scientific Interest | |
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Shown within Somerset
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| Area of Search | Somerset |
|---|---|
| Grid reference | ST408291 |
| Interest | Biological |
| Area | 18.4 hectares (0.184 km2; 0.071 sq mi) |
| Notification | 1988 |
| Natural England website | |
Aller Hill (grid reference ST408291) is a 18.4 hectare (45.4 acre) biological Site of Special Scientific Interest near Aller in Somerset, notified in 1988.
The site contains three species of plant which are nationally rare and a further three which are of restricted distribution in Somerset. The central area contains a sward dominated by Sheep's Fescue (Festuca ovina) in combination with Yellow Oat-grass (Trisetum flavescens) and Quaking-grass (Briza media). Salad Burnet (Sanguisorba minor) forms a major component of the sward with Rough Marsh-mallow (Althaea hirsuta) and Nit-grass (Gastridium ventricosum), two nationally rare species, also present. [1]
Aller and Beer Woods on the slopes of the hill are also designated as a biological Site of Special Scientific Interest.