Flora of Ashdown Forest - Botanical Society of the British Isles

98Subgenus Rubus. Section Cory/ira/i/.Rubus britannicus.J -+--I-~~~-----'---t-4 5Road to Hindleap Warren Activity Centre (415.3201, pH 5.5, opposite Wych Cross Nurseries(421.3211, Ashdown Forest Visitor Centre (43.32), Newbridge (456.325) and path to PoohBridge (472.332), 1994, DE· this species can be used for playing Pooh sticks when no twigscan be found. Hindleap Warren (41.32), Stonehill (45.28), 1994, AN & AB. Nutley (44.27,45.27), 1995, RR & PH.This species has quite distinct large round leaflets, and TR has added the extra records. 'It is a regional endemic of woods and their borders in south-east England.Rubus conjungens.Marsh Green near Hartfield, 1942, W. C. Barton (BM).An endemic species widespread in southern Britain on hedgerows and banks, and very local elsewhere.Rubus nemorosus fR. balfourianus).Newbridge, 1969, B. A. Miles (Philp 19701. TQ/4.3 (Hall 1980; Edees & Newton 19881.On woodland edge at the top of the path to Pooh Bridge (472.3311. opposite WychCross Nurseries (421.321), and opposite Wilkins Garage, Forest Row (437.347), 1994, DE.Hindleap Warren (41.32), 1994, AN & AB. Toll Lane (461.2631, 1995, RR & PH.3 Widespread in south-east Britain but more localised in the north, and in north-westernand central Europe.The fruits of this species are a good size and flavour, often better than those of R.4 5 procerus (Earl 19941.Rubus tuberculatus,Clays at Toll Lane (461.263(, and near Fairwarp Farm (47.261, 1995, RR & PH.Widespread in hedges, on wood borders, waste ground and railways, etc., a weedy andaggressive bramble. It predominantly occurs in the west but is spreading eastwards (RR,pers. comm. 1996). It also occurs in north-west Germany.In addition there are three taxa whose taxonomy remains to be clarified:Rubus orbifolius sensu W. C. R. Watson. Near Coldharbour (40.32), Hindleap Warren (41.32), roadsides near Sunting's,Newbridge (46.32), 1994, AN & AB. Nutley (44.271. 1995, RR & PH. A local endemic as yet undescribed.Rubus sprengeliiflorus sensu W. C. R. Watson. Near Coldharbour (40.32), Hindleap Warren (41.32), Coleman's Hatch(44.32), Stone hill (45.28), roadsides near Sunting's, Newbridge (46.32), East of Camp Hill (47.281, 1994, AN & AB.A local endemic as yet undescribed.R. vulnerificus Le!. ex Genev. Ford's Green, Nutley (447.2721 and scrub in Toll Lane (462.2631, 1995, RR. These plantswere compared against material in the BM from Buckham Hill and several localities in France and may be correctassuming that the name is legitimate.Subgenus Rubus. Section Caesli.Rubus caesius. Dewberry.Tetrads 42N and 42P (Hall 19801.We have five provisional records all of which require verification (as do Hall's) as it is often over-recorded for membersof the Corylifolli series. This species is most common on the chalk and calcareous soils in Sussex. It is a widespreadcalcicole in Europe.