Allt y Wern

Site of Special Scientific Interest · 51.8753, -4.0649

Also within

Dyfed County

Description

Description A small oakwood which has apparently been managed as coppice-with-standards, an unusual sylvicultural practice in this part of Wales. Many of the fine mature pedunculate oaks Quercus robur are at least 200 years old. Ash Fraxinus excelsior also occurs as a standard tree whilst hazel Corylus avellana forms the coppiced layer. The species-rich shrub layer includes holly Ilex aquifolia, elder Sambucus nigra, hawthorn Crataegus monogyna, roses Rosa spp., guelder rose Viburnum opulus and blackthorn Prunus spinosa. Dog's mercury Mercurialis perennis, wood sorrel Oxalis acetosella, creeping buttercup Ranunculus repens and bramble Rubus spp. are the most abundant species in the equally species-rich ground layer.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
dog's mercury Mercurialis perennis LC herb euphorbiaceae
wood sorrel Oxalis acetosella LC herb oxalidaceae
creeping buttercup Ranunculus repens LC herb ranunculaceae
hawthorn Crataegus monogyna LC shrub rosaceae
blackthorn Prunus spinosa LC shrub rosaceae
elder Sambucus nigra LC shrub caprifoliaceae
gelder rose Viburnum opulus LC shrub caprifoliaceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
common oak Quercus robur LC tree fagaceae