Flora of Ashdown Forest - Botanical Society of the British Isles

Juncus x surrejanus (J. acutiflorus X articulatusj.Local in flushes often near both parents; the predominance of records on the west side ofthe Forest may reflect areas botanised intensively by TR who specifically looked for thehybrid.Widely scattered in Britain and probably much overlooked. The inflorescences are3 intermediate between the parents, but some plants have large diffuse panicles; for detailssee Rich & Rich (1988).1954 5Juncus acutiflorus. Sharp-flowered rush.Common on the Forest (Hall 1980).Widespread and more common on the Forest than J. articulatus, but nationallyprobably less common. It usually occurs in flushes and wet grassland, and sometimes onwet heath mixed in amongst the Molinia in quite acidic soils. Sparse patches can also befound in open woodland and mixed with J. effusus in flushes.Widespread in Britain. Western, southern and central Europe, and western NorthAmerica.Juncus bulbosus. Bulbous rush.Ashdown Forest, 1895, T. Hilton (BTNI. Bogs around Crowborough (Done 1914). On abog between Hartfield and Forest Row, as var. uliginosus, E. Forster (Wolley-Dod 19371.Common on the Forest (Hall 1980).Frequent in deep and shallow water and sometimes in muddy patches on rides, amarked calcifuge. The flowering heads often have small plantlets mixed with flowers.Common in northern and western Britain, less frequent in the south-east.Widespread in Europe except the south-east; North Africa and North America.Juncus inf/exus. Hard rush.Frequent on the Forest (Hall 1980).Scattered around the Forest, often on imported soils in and around the car parks.Most frequent on clays, and apparently somewhat calcicolous.Common on heavy soils in Sussex. Widespread in Britain and Europe north tosouthern Scotland and southern Sweden. Also in Asia and North Africa.Juncus ettusus. Soft rush.Common on the Forest (Hall 19801.Recorded in every square. Frequent in wet trampled areas as near King's Standing,and in damp pastures and flushes. It is also characteristic of steep flushes in openwoodland where it forms large patches in the wettest areas. Plants can also be found3sparsely along the sides of streams in woodland, and occasionally in the wet iron flushes.It is unpalatable to stock and has largely been eradicated from meadows 'In the area 'Inwhich it must have once been abundant.4 5 About five plants with loose spiral shoots (the twists completing their turns every14-15 cm or so, with 3-4 full turns) were found on a track near a hut in South bank Wood(433.312) in 1995 by TR; the plants may be referred to corkscrew rush (Juncus effusus L. forma spiralis (J. McNablHegi) but were more or less upright and not spreading at the base as described for other plants (Henderson 1992;Nelson 1993; Preston 19941. Plants showing this tendency are not uncommon (e.g. 430.305, PWI. This taxon ispredominantly found on the west coast of Scotland, and also in Ireland and Wales, with an outlying record fromFrensham Pond in Surrey - it may be more widespread.Throughout Britain. Widespread in Europe, except the Arctic, and the north and south temperate lanes.