Top 100 Target Species potentially fruiting in May


Non-lichenised Ascomycota

  Species (links to species information) Associated organisms/substrata When to look Localities Last recorded (pre project) Successful search (during project lifespan) Number of sites (post 1960) Datasheet  Maps 
Anthostomella alchemillae Known from dead leaves of Alchemilla alpina May-Sept A Scottish endemic based on current records, fairly widely distributed in western montane sites where the host occurs but not recorded frequently in recent times 1986   9(4)   Map
Biscogniauxia marginata In GB&I, on dead Malus bark. Known elsewhere from various hardwood species, mostly belonging to the Rosaceae Jan-Dec? England (NE Yorkshire) 1910   1(0)   Map
Cryptomyces maximus A weak parasite of Salix branches, sometimes associated with mechanical damage Feb-Dec, probably Jan-Dec. Recent records from Wales (Pembrokeshire), with a single new locality in Shropshire 2013 Yes 11(6)   Map
Daldinia petriniae A Daldinia concentrica look-alike found on Alnus (alder). Jan-Dec Single sites recorded in North Hampshire, Surrey, Worcester, and Warwickshire. 1998 Yes 4(4)   Map
Helvella leucopus A spring-fruiting species of sand dunes, associated with Populus and Salix. Apr-May Records only from Wales (Carmarthenshire and Glamorgan). Not seen despite recent searches. 2006   2(2) PDF Map
Hypocreopsis lichenoides Parasitic on Hymenochaetopsis tabacina (=Hymenochaete tabacina), usually found associated with Salix spp. Jan-Dec The only confirmed recent records are from Wales (Radnorshire), and now also from Scotland (Berwickshire). 1993 Yes 2(2) PDF Map
Hypoxylon fuscoides A Hypoxylon fuscum (hazel woodwart) lookalike, on Alnus or Betula spp. Jan-Dec? Known from Ireland (County Down and County Armagh), England (Derbyshire and Buckinghamshire), and Wales (Glamorgan). 2011 Yes 6(6)   Map
Mollisia fuscoparaphysata On dead leaves and culms of Trichophorum caespitosum s.l. and probably other related sedges. Mar-Aug England (Dorset) and Scotland (W Inverness and Islay). Colonies rediscovered in Dorset, and new records from Sussex, west Wales and Shetland. 1987 Yes 15(14) PDF Map
Mollisia subglobosa On felled trunks of Ilex aquifolium, in association with Nectria punicea var. ilicis. Dec-Feb England (historical records from S Hampshire, now also reported from Somerset and Wales (Pembrokeshire). 2013 Yes 6(6)   Map
Phaeosphaeria silenes-acaulis A minute perithecial species found on dead leaves and bracts of Silene acaulis. May-Oct Reported from Scotland (Mull and Rhum); recently found also in Shetland and Snowdonia. 1974 Yes 4 (4)   Map
Polystigma rubrum A parasitic ascomycete with bright red stromata on living leaves of blackthorn, cultivated plum and hybrids. May-Oct At one time widely distributed, but now much more restricted in location. Largely confined to the west coast of Ireland, SW England and west Wales, but also now known from SW Scotland. 2010 Yes 67(35) PDF Map
Poronia erici A fungus with a 3-8 mm diam. nail- or golf-tee like fruitbody growing in rabbit or pony dung; a Poronia punctata lookalike but smaller with larger spores. Mar-Nov? Known only from two sites in West Norfolk and one in East Suffolk. Possibly overlooked and more widely distributed, especially if mistaken for P. punctata. 2011 Yes 3(2)   Map
Thyronectria roseovirens In GB&I, on dead (burnt) wood of Ulex europaeus (gorse). Elsewhere on wood and bark of various legumes. Jan-Dec? England (S Hampshire); first found in 2014, re-found on the same site in 2015, and at three further locations in the New Forest. 2014 Yes 4(4) PDF Map
Xylaria crozonensis Probably a saprobe; known from bark of Betula, Corylus and Quercus. Mar-Nov England (VC2 East Cornwall, and VC1 West Cornwall) 2013 Yes 13(13)   Map

Larger Basidiomycota

  Species (links to species information) Associated organisms/substrata When to look Localities Last recorded (pre project) Successful search (during project lifespan) Number of sites (post 1960) Datasheet  Maps 
Battarrea phalloides A distinctive fungus comprising a woody stalk supporting a rust-coloured powdery spore mass. Found in dry places, often in sandy soil on hedge banks and roadsides, often associated with ash (Fraxinus), Hawthorn (Crataegus) or elm (Ulmus). Jan-Dec Widely but sparsely distributed throughout the south of England, with strongholds in Norfolk and Suffolk. 2014 Yes     Map
Bovista paludosa A small white puffball associated with mosses in calcareous fen habitats May-Oct Recent sites in England (Norfolk, Yorkshire and Westmorland),  Wales (Breconshire), and Scotland (Roxburghshire). 2005 Yes 7(5) PDF Map
Buglossoporus quercinus A bracket fungus found on the exposed heartwood of old oak trees (Quercus) often in ancient deer parks and forest pastures. Jun-Oct (also Jan and Feb) Scattered throughout England and Wales, more frequent in the South East, with a single site in Scotland. 2014 Yes     Map
Dichomitus efibulatus A poroid fungus causing a white rot on the dead attached wood or woody stems of blackthorn (Prunus), hazel (Corylus), gorse (Ulex) rose (Rosa) blackberry (Rubus) and hornbeam (Carpinus). Jan-Dec Most records are from South West England (Cornwall & Devon) it has also been found in S. Hampshire, the Isle of Wight and Guernsey. 2013       Map
Multiclavula vernalis One of the few lichenized basidiomycetes in the UK, with brightly coloured club-shaped fruit-bodes Mar-Aug England (N Hampshire), Scotland (N Harris, W Lewis, Shetlands). Unsuccessful searches at the Shetland and N. Harris localities, 2011 Yes 5(5) PDF Map
Paxillus cuprinus A light brown to dark coppery-brown gilled fungus found in open sunny places with birch (Betula) alder (Alnus) and hazel (Corylus). Aug-Nov (also May, possibly May-Nov) Currently only recorded in the UK in England (N E Yorkshire, Surrey and Middlesex) but likely to be widespread. 2014 Yes     Map
Perenniporia ochroleuca A small bracket fungus on branches of dead wood of mainly on blackthorn (Prunus spinosa) but also hawthorn (Crataegus monogyna), and other hosts, in coastal areas. Distinctive due to its very distinctive, fine and regular pores. Jan-Dec Throughout Cornwall, along the south coast of England, Pembrokeshire, and the Channel Islands. 2014 Yes     Map
Tulostoma niveum A minute stalked puffball in moss patches on top of limestone boulders Apr-Dec Only known from the Inchnadampf area (W Sutherland) (two main sites and three more distant sites from single records); a widespread population at Craig Leek SSSI in S Aberdeenshire; and a new site in Lismore, Argyll. 2013 Yes 6(6) PDF Map

Rusts, Smuts and Allies

  Species (links to species information) Associated organisms/substrata When to look Localities Last recorded (pre project) Successful search (during project lifespan) Number of sites (post 1960) Datasheet  Maps 
Chrysomyxa pyrolata A rust on leaves of Pyrola spp. (wintergreen), in recent years mostly found on P. rotundifolia subsp. maritima. Apr-Aug Recent sites include S Lancashire and Westmorland; colonies in Anglesey and Wiltshire may have died out. Not found in Glamorgan despite extensive surveys in 2015. 2009 Yes 8(4) PDF Map
Puccinia cladii A rust found on living leaves of Cladium mariscus (great fen-sedge). Considered to be rare by Wilson & Henderson. Mar-Sept Historical records from E Norfolk, but currently only known from one site in E Norfolk and one in Glamorgan, Wales. Recent surveys of the host in Wales have not found additional sites. 1958 Yes 11(2)   Map
Pucciniastrum goodyerae A rust on leaves of the orchid Goodyera repens (creeping lady's-tresses). Apr-Nov

Historically known from Scotland, from Angus, Banffshire, East Inverness-shire, East Ross & Cromarty, East Sutherland, Lanarkshire, and Moray.

Only a few populations have been recently recorded, from East Inverness-shire, East Sutherland, and Fife.

1990 Yes 14(7)   Map
Urocystis colchici A smut on leaves of Colchicum autumnale (autumn crocus, meadow saffron, or naked lady). Apr-Jun Historically recorded from North Wiltshire, North Somerset, West Sussex, Warwickshire, North-west Yorkshire, and possibly West Lothian. Recently known only from four sites, in Herefordshire, Oxfordshire, North Wiltshire, and Breconshire; plus a very few records from garden plants. 2013 Yes 13(4)   Map
Vankya ornithogali A leaf smut of Gagea species (not Ornithogalum as the name would suggest), mostly reported on Gagea lutea (Yellow Star-of-Bethlehem). Feb-May Reported from VC23 Oxfordshire, VC43 Radnorshire, VC63 SW Yorkshire, VC64 MW Yorkshire and VC66 Durham 2012 Yes 8(6) PDF Map


Map of Top 100 Target species potentially fruiting in May

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith