Flora of Ashdown Forest - Botanical Society of the British Isles

73Salix repens var. repens (var. ericetorum), Creeping willow.Ashdown Forest, plentifullv (Coleman 18361. Forest Row, 1910, Miss P. Stockdale (BEXI.Plentiful on Ashdown Forest (Done 19141. Ashdown Forest, near Pound gate, A. H. Wollev­Dad (Wollev-Dod 19371. Near Nutlev, 1957, R. A. Boniface (BRCI. Common on AshdownForest, its main Sussex headquarters (Hall 1980).We have found it quite widely on rides, on open heath and on the golf course where itoften occurs in the roughs but not on the fairways as close mowing eliminates it. It flowersin March and April when the male catkins can be conspicuous, and then later, female plantsappear to be dabbed with cotton wool as the pods open to release the seeds in June.Widespread in Britain, and decreasing in England (Rich & Woodruff 1996), Mainly inwestern Europe and thought by some to be endemic.Sa/ix >< amhigua (5. repens x aurita).This hybrid was noted by Parsons in Clark {1903L probably from the Forest. There are many bushes which at first sightappear to be this at Duddleswell (460.286), but on closer examination are probably all small S. aun'ta, and the hybridremains unconfirmed. Meikle (1984) suggests it may be quite widespread in Britain.BRASSICACEAESisymbrium officina/e. Hedge mustard.Eight tetrad records main IV from around the Forest (Hall 19801.Scattered around the Forest, rarely in quantity, often in the villages or on roads ides, butnot in hedges despite its name. It is common on disturbed, often nutrient-rich soils.Widespread in Sussex, Britain, Europe, the Near East and North Africa.3 --+-f'L-....... ---"--j-4 5Alliaria petio/ata. Garlic mustard, Jack-by-the-hedge.We have recorded it quite widely often in nutrient-rich, often damp places on roads ides,hedges, partly-shaded wood edges, and in the villages. It sometimes grows as a weed ingardens.Widespread in Sussex, Britain. Europe, Asia and North Africa. It may be increasing inthe countryside in general due to fertiliser drift from farm land.Arabidopsis thaliana. Thale cress.Eight tetrad records on the Forest (Hall 19801.Scattered around the Forest on dry roads ides, car parks and in urban areas, usually ondisturbed soils. It is an annual which flowers mainly in spring and early summer, but in thewet summer of 1993 a second generation flowered in late summer and autumn.Widespread in Sussex, Britain, Europe, Asia and East Africa.Erysimum cheiranthoides. Treacle mustard.Tetrad 42T (Hall 19801.Four plants on track at field edge north of Lines Farm (444.3481, 1995, TR et al. Theleaves are rough to the touch (like fine sand paper) due to the appressed hairs.This is an annual plant of light, sandy soils, mainly in eastern England and scattered3 --++-------'-+elsewhere. In Europe it is widespread except in the south. It also occurs in North Africa,northern Asia and North America.4 5