Our Projects | |||||
|
![]() |
Ramaria sp., spores resemble those of R. curta but fruitbody not bruising, scale bar = 10 mm, Kew, 10/09/2010 © M. Parslow |
Recording the Fungi of Esher Common
This area, including Esher Common, Oxshott Heath, West End Common, Arbrook Common, Fairmile Common, and Winterdown Wood, covers over 900 acres, and largely comprises acid, sandy soils (Bagshot Sands) supporting heathland as well as a wide range of other terrestrial and aquatic habitats. These include both ancient and secondary woodland composed particularly of hornbeam, oak and beech, with much pine and birch, both of the latter being invasive onto the managed heathland. London Clay outcrops to the east of the area at Arbrook Common. Aquatic habitats include ponds, notably Black Pond to the north-west, streams, a spring line and bog, plus the bank of the river Mole. These areas often support alder and crack willow, while sallows (mostly rusty sallow) or goat willow are dominant in places. Almost the entire area is designated as a Site of Special Scientific Interest (SSSI), and parts also as a Local Nature Reserve.
The area has long been a focus for naturalists and, despite the invasion of much of the heathland by pines and birches, it still has great potential. At least 9000 species of all groups of living organisms have been recorded to date, including many national rarities. Parts of the area are of national importance for their saproxylic beetles (i.e. ones that live on rotten wood). The fungi especially have been extensively documented, with early reports going back well over a century and the site remains mycologically the most comprehensively recorded in Britain and perhaps worldwide for a limited area. Earliest records of fungi from here, including lichens, were collated in the Victoria County History of Surrey (1902), although localities for the non-lichenised species were omitted in this reference. Regular field meetings of the South London Entomological and Natural History Society were held at Oxshott over many years, mainly between 1888 and 1968. These meetings included numerous fungus forays, sometimes led by national figures such as John Ramsbottom, with lists of species published in subsequent reports. These records have been considerably extended in recent years with greater emphasis on microfungi and lichens, which has seen the species total increased from a little over 800 in 1992 to around 3,300 currently. Amongst these are various species which have previously been undescribed, and those first recorded for Britain such as Hebelomina neerlandica* (first found in 1984) and the curious Aseroe rubra, (found in 1993), and a wide range of species first recorded for the county. Nevertheless, there still remain many habitats and specialist fungal groups which have received little attention, so that many additional species are expected to be found while our study progresses.
(* Vesterholt, in his The genus Hebeloma (2005), considered Hebelomina Maire as a likely synonym of Hebeloma. Hebelomina neerlandica belongs elsewhere, and, according to Vesterholt, is likely to be an albinistic Gymnopilus.)
(Brian Spooner)