Bix Bottom

{{Short description|Protected area in Oxfordshire, England}}

{{Use dmy dates|date=March 2020}}

{{Use British English|date=March 2020}}

{{Infobox SSSI

|image= Bix Bottom - geograph.org.uk - 1049492.jpg

|image_caption =

|name= Bix Bottom

|aos= Oxfordshire

|interest=Biological

|gridref={{gbmappingsmall|SU 716 879}}

|area= {{convert|102.3|ha|acre|abbr=off}}

|notifydate= 1986

|map=[https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001558%27 Magic Map]

}}

Bix Bottom is a {{convert| 102.3 |ha|acre|abbr=off|adj=on}} biological Site of Special Scientific Interest north-west of Henley-on-Thames in Oxfordshire.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1001558&SiteName=&countyCode=34&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Bix Bottom | series= Sites of Special Scientific Interest|publisher=Natural England|access-date = 10 March 2020}}{{cite web|url= https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001558%27|title=Map of Bix Bottom|series= Sites of Special Scientific Interest|publisher=Natural England|access-date= 10 March 2020}} It is owned and managed as Warburg Nature Reserve by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.{{cite web|url=https://www.bbowt.org.uk/nature-reserves/warburg-nature-reserve |title= Warburg Nature Reserve |publisher= Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust |access-date= 6 March 2020}}

This site has ancient woods which are shown on a map of 1786, together with areas of grassy clearings and scrub. More than 500 species of vascular plant have been recorded, including 18 orchids and the rare meadow clary, which is listed in the British Red Data Book of Plants. There are more than 75 bird species and 650 fungi, including many which are nationally rare.{{cite web|url= https://designatedsites.naturalengland.org.uk/PDFsForWeb/Citation/1001558.pdf |title=Bix Bottom citation|series= Sites of Special Scientific Interest|publisher=Natural England|access-date= 10 March 2020}}

The site is open to the public.