Ham Home-cum-Hamgreen Woods is a biological

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

in Kingswood near

Grendon Underwood Grendon Underwood is a village and civil parish in west Buckinghamshire, England, near the border with Oxfordshire. The village sits between Woodham and Edgcott, near the Roman road Akeman Street (now part of the A41), and around north-west o ...

Buckinghamshire Buckinghamshire (), abbreviated Bucks, is a ceremonial county in South East England that borders Greater London to the south-east, Berkshire to the south, Oxfordshire to the west, Northamptonshire to the north, Bedfordshire to the north-ea ...

. It is composed of two separate areas, Ham Home Wood and Hamgreen Wood, and is a small part of the formerly extensive

Bernwood Forest Bernwood Forest was one of several forests of the ancient Kingdom of England and was a Royal hunting forest. It is thought to have been set aside as Royal hunting land when the Anglo-Saxon kings had a palace at Brill and church in Oakley, in th ...

. The site is woodland on clay, and although most of it has been coppiced at different times, it has a varied structure, and rich variety of flora and invertebrates. These factors, together with the presence of

wild service tree ''Sorbus torminalis'', with common names wild service tree, chequers, and checker tree, is a species of tree in the mountain ash or rowan genus (''Sorbus'') of the rose family (Rosaceae), that is native to Europe, parts of northern Africa and we ...

s, show that the woods are ancient. The main tree is oak, with an understorey which includes

wych elm ''Ulmus glabra'' Hudson, the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Urals, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reaches i ...

crab apple ''Malus'' ( or ) is a genus of about 30–55 species of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard apple, crab apples, wild apples, and rainberries. The genus is native to the temperate zone of th ...

and

guelder rose ''Viburnum opulus'', the guelder-rose or guelder rose () is a species of flowering plant in the family Adoxaceae (formerly Caprifoliaceae) native to Europe, northern Africa and central Asia. Description ''Viburnum opulus'' is a deciduous shru ...

. Flowers include primroses and bluebells, and in wetter areas there are

ragged robin ''Silene flos-cuculi'' (syn. ''Lychnis flos-cuculi''), commonly called ragged-robin, is a perennial herbaceous plant in the family Caryophyllaceae. This species is native to Europe and Asia, where it is found along roads and in wet meadows and p ...

and marsh bedstraw. The woods have the largest British breeding colony of the nationally rare

black hairstreak The black hairstreak (''Satyrium pruni'') is a butterfly in the family Lycaenidae. Distribution The butterfly is native to Europe, from Scandinavia to Ukraine, and is found as far east as Mongolia, Korea and Japan. It is considered by IUCN to b ...

butterfly. There is access from the

A41 road The A41 is a trunk road between London and Birkenhead, England. Now in parts replaced by motorways, it passes through or near Watford, Kings Langley, Hemel Hempstead, Aylesbury, Bicester, Solihull, Birmingham, West Bromwich, Wolverhampton, ...

and Grendon Road

References

{{coord, 51.8653, -0.9921, type:landmark_region:GB-BNE, display=title Sites of Special Scientific Interest in Buckinghamshire Aylesbury Vale Forests and woodlands of Buckinghamshire