Treyford to Bepton Down 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 ...

south-west of

Midhurst Midhurst () is a market town, parish and civil parish in West Sussex, England. It lies on the River Rother inland from the English Channel, and north of the county town of Chichester. The name Midhurst was first recorded in 1186 as ''Middeh ...

West Sussex West Sussex is a county in South East England on the English Channel coast. The ceremonial county comprises the shire districts of Adur, Arun, Chichester, Horsham, and Mid Sussex, and the boroughs of Crawley and Worthing. Covering an ar ...

. This site consists of five separate blocks of steeply sloping chalk grassland and yew woodland on the

South Downs The South Downs are a range of chalk hills that extends for about across the south-eastern coastal counties of England from the Itchen valley of Hampshire in the west to Beachy Head, in the Eastbourne Downland Estate, East Sussex, in the east. ...

. The grassland has a rich variety of species, including herbs such as

round-headed rampion Phyteuma orbiculare, common name round-headed rampion or Pride of Sussex, is a herbaceous perennial plant of the genus ''Phyteuma'' belonging to the family Campanulaceae. Description ''Phyteuma orbiculare'' reaches on average of height. A dee ...

horseshoe vetch ''Hippocrepis comosa'', the horseshoe vetch, is a species of perennial flowering plant belonging to the genus ''Hippocrepis'' in the family Fabaceae. Description The overall appearance depends on its habitat: sometimes it forms upright clumps ...

and

carline thistle ''Carlina vulgaris'', the carline thistle, is a plant species of the genus '' Carlina''. It is a biennial that grows on limestone, chalky or other alkaline grasslands or dunes. The flowers are clusters of very small brown florets surrounded by br ...

, while there are orchids such as

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

bee Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyly, monophyletic lineage within the ...

and

musk Musk (Persian: مشک, ''Mushk'') is a class of aromatic substances commonly used as base notes in perfumery. They include glandular secretions from animals such as the musk deer, numerous plants emitting similar fragrances, and artificial sub ...

. The uncommon moss '' Rhacomitrium lanuginosum'' has also been recorded.

References

{{SSSIs West Sussex Sites of Special Scientific Interest in West Sussex