The Moss Year – 2016
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New county records – liverworts New County Records H64256437, 2016, EM Kungu (DBN), BBS east of Blue Stack Mountains, H02099102, Summer Meeting. 2016, TL Blockeel 45/682 (DBN), BBS 74.6. Calypogeia sphagnicola. 86: among Summer Meeting. Sphagnum capillifolium on Lowland Raised 86.4. Marsupella funckii. 3: acid gravelly Bog, 20 m alt., Wester Moss, NS83689095, surface of track, 410 m alt., Dartmoor, near 2016, RT Whytock; H36: growing among Warren House Inn, SX676810, 2016, M Pool; Sphagnum in opening in marginal shrubby 75: compacted soil next to road, 230 m alt., woodland, 90 m alt., Lough near Drumash, Ness Glen, NS47750153, 2016, RT Whytock. H31505524, 2016, EM Kungu (DBN), BBS Summer Meeting. Contributors/collectors of records. 74.7. Calypogeia suecica. H21: on dead log T ap Rheinallt, TH Blackstock, TL Blockeel, The moss year in woodland, Glenasmole, O0933722393, SDS Bosanquet, P Bowyer, C Bruton, DA 2015, RL Hodd & GF Smith, conf. DG Long Callaghan, J Conghan, M Crittenden, S Eckert, (DBN). C Halpin, G Haycock, V Heppel, C Hipkin, H – 2016 75.2. Leiocolea gillmanii. 109: rich, damp Hipkin, RL Hodd, EM Kungu, RV Lansdown, dune slack grassland with Primula scotica, M Lawley, S Lemon, DG Long, D Marshall, P rFig. 1. Ditrichum pallidum in Sussex. Tom Ottley Keiss Links, ND341593, 2015, AG Payne. Martin, S Maynard, M Molloy, GS Motley, E ní he overall volume of new records fell of additions and amendments in 2016 was 229, 75.5. Leiocolea collaris. H34: with Sphagnum, Dhúill, F O’Neill, M Osland-Barker, TW Ottley, a little in 2016, but the reduction excluding revisions of Sphagnum fuscum and West of Aughgeely, Lettershanbo, C11700325, AG Payne, SL Pilkington, M Pool, T Pyner, GP was limited to England and Scotland; Ulota crispa, which accounted for a further 119 2016, JE Smith (DBN), BBS Summer Rothero, S Rubinstein, E-J Sadler, JD Shanklin, TWales and Ireland saw a significant increase. new entries of segregate species. Meeting. GF Smith, JE Smith, B Stewart, NF Stewart, These fluctuations are partly explained by the 75.7. Leiocolea badensis. H34: edge of gravelly M Stribley, P Sturgess, G Tordoff, R Weyl, RT locations of BBS meetings. In 2015 the meeting Additions to the British and Irish list track in forestry plantation, Dooish Mountain, Whytock, T Witt in Renfrew produced many new records for In 2013, Howard Matcham discovered a patch C30291130, 2016, TL Blockeel 45/675 Scotland, whereas the 2016 summer meeting of a distinctive Ditrichum in Sussex, which was (DBN), BBS Summer Meeting. References. in Tyrone and Donegal likewise boosted the subsequently identified as Ditrichum pallidum 80.5. Solenostoma hyalinum. 41: on slag wall Pearson, W.H. 1889. A new British hepatic. Journal of Botany, Irish total. The figures for the two years are (Hedw.) Hampe new to Britain (Fig. 1). A full alongside railway adjacent to Molinia mire, British and Foreign 27: 353-354. summarised in Table 1 (the figures for England description and illustration of the species is now Llwynbrwydrau, SS700975, 2016, B Stewart. include the Channel Islands). The total number in press in the Journal of Bryology (Matcham & (Fig. 4). Sam Bosanquet 86.1.b. Marsupella emarginata var. aquatica. Dingestow Court, Monmouth NP25 4DY Table 1. Analysis of amendments to the Census Catalogue updates for 2016 H34: 2016 2015 wet rocks in gully, Cronamuck River, e [email protected] England Wales Scotland Ireland England Wales Scotland Ireland sFig. 4. Solenostoma hyalinum habitat on slag wall alongside railway (VC41). B. Stewart New entries 55 31 39 41 62 15 87 23 Debrackets* 16 6 12 24 30 4 27 9 Reinstated – – – – 1 – 1 1 Bracketings* – – – – 1 1 – – Deletions 5 – – – 4 2 9 1 Totals 76 37 51 65 98 22 124 34 (*Debrackets are existing vice-county entries for which a post-1960 record has been vouched. Bracketings are existing entries for which the post-1960 records are unconfirmed or erroneous but older record(s) are known or thought to be valid.) 86 FieldBryology No117 | May17 FieldBryology No117 | May17 87 New county records – mosses Blockeel, 2017). Although the vegetative shoots described from North America (it is named of D. pallidum are similar to other Ditrichum after the aboriginal people of Newfoundland). and Dicranella species, it is distinctive in fruit, Kyrkjeeide et al. (2016) reported S. beothuk from having the capsules raised on unusually long NW Scotland, and Mark Hill has subsequently yellow setae (Fig. 1). Unfortunately the known revised numerous British and Irish specimens. patch is thought to have been destroyed by He has found that both species occur widely but forestry operations, but other patches could be S. beothuk is more lowland and oceanic, and S. present elsewhere. D. pallidum could be a long- fuscum is very rare in Ireland. Full details can standing native in Sussex, or perhaps a recent be found in Mark’s article in this issue of Field colonist from wind-blown spores. Bryology (Hill, 2017). A recent paper in the Journal of Bryology Another recent revision (Caparrós et al., 2016) by Kyrkjeeide et al. (2016) has shown that has clarified the difficulties surrounding Ulota rFig. 3. Errigal mountain, Co Donegal, home of Oedipodium griffithianum. Rory Hodd Sphagnum fuscum in Europe consists of two crispa. They have shown that this notoriously P. cernua. Though not quite as rare as the latter, is critically endangered. In North Somerset, Paul species. One of these, which is generally darker variable moss actually consists of three separate P. rigida has very few recent records anywhere Bowyer has found Seligeria calcarea at Weston- in colour than the true S. fuscum, is Sphagnum species, Ulota crispa s.str., U. crispula Bruch and in Ireland. Other excellent records from the super-Mare, an unusual occurrence away beothuk R.E.Andrus, a species originally U. intermedia Schimp. I have prepared a separate meeting included a second Irish locality for from its typical habitat on chalk. Dialytrichia paper in this issue of Field Bryology about the Molendoa warburgii by David Long, on sea cliffs saxicola has turned out to be more widespread sFig. 2. Tom Blockeel and Rory Hodd at the Philonotis identification of the three segregates, as well as cernua site in Donegal. Gordon Haycock. on the Malin Peninsula, and a fourth record of than first thought. Sharon Pilkington has now other species in the genus (Blockeel, 2017). Only Pohlia lescuriana by Neil Bell on a coastal path in found it in three vice-counties along the River a few vice-county records of the three segregates West Donegal. Away from the summer meeting, Avon. Sharon has also found a new site for the have been confirmed to date, but all three are Rory Hodd has turned up numerous other new declining Pterygoneurum ovatum on Salisbury likely to be widespread and frequent to common records in Ireland. Isopterygiopsis muelleriana in Plain, North Wiltshire. Grimmia decipiens, in Britain and Ireland. West Mayo and Oedipodium griffithianumon found by Sean O’Leary in Buckinghamshire, Errigal in West Donegal (Fig. 3) are of particular is an interesting record of a species with very The moss year 2016 note. The Isopterygiopsis was previously known few occurrences in the English lowlands, and The summer meeting in Tyrone and Donegal in Ireland only from three sites in the south- scarce elsewhere. It demonstrates, not for the boosted the number of new records from Ireland. west and one on Muckanaght (West Galway) in first time, the value of roof tiles as a habitat for The most notable record from the meeting, and 2015. The Mayo site is also of interest because rupestral mosses. Bryophytes sometimes surprise surely the most significant record of the year, of its low altitude (200m). Oedipodium was us by their ability to colonise unexpected sites. was the discovery of Philonotis cernua in West thought to have been lost on Errigal mountain, In 2016 Mark Hill came across a population Donegal, not recorded anywhere in Britain and but Rory has refound it in small quantity. It has of Plasteurhynchium striatulum on concrete Ireland (and Europe!) since 1987. The habitat only one other recent record from Ireland. Jeff under trees in Cambridgeshire. This species in Donegal was very ordinary (Fig. 2) – peaty Bates’ Pleurochaete squarrosa from Co Wexford is is normally found on natural rock outcrops, soil on a steep bank recovering from burning – a significant range extension for Ireland; it was rarely on limestone walls, but Cambridgeshire and as P. cernua is a colonist of open habitats, previously known only in two other areas, in the is a long way from other sites for this species. it seems certain that other surviving populations Burren and around Dublin. Thamnobryum maderense is a problematic moss. must occur in Ireland, providing a source for The most striking record in England is Pete Its flat (complanate) fronds are distinctive but colonising spores. The summer meeting provided Martin’s discovery of a small population of its status as a separate species is unresolved. Uta records of several other species that are rarely Orthodontium gracile in West Gloucestershire. O. Hamzaoui and Sara Botterell have found it in recorded in Ireland. Philonotis rigida was found gracile appears to have declined markedly at its an unremarkable habitat on the brick wall of a on a sea-cliff in East Donegal on the same day as known sites, even within the last decade, and it stream channel in Leicestershire. FieldBryology No117 | May17 88 FieldBryology No117 | May17 FieldBryology No117 | May17 89 New county records – mosses Blockeel, 2017). Although the vegetative shoots described from North America (it is named of D. pallidum are similar to other Ditrichum after the aboriginal people of Newfoundland).