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Comments Disjunct from Scotland? Edge of GB range? Prop (%) of GB population Wales extant (post-1970) Wales hectads (all records) Significant decline? Europe Red List Section 42 Wales Native/alien status Criteria Wales Red List Taxon MLH GB Red List 2011 GB Red List 2005 M Pseudocrossidium hornschuchianum Native M Pseudocrossidium revolutum Native M Pseudoleskeella catenulata RE Native >50% 1 0 0 S Southern edge in Caernarfon (Carneddau; Hill, 1988) M Pseudoscleropodium purum Native M Pseudotaxiphyllum elegans Native M Pterigynandrum filiforme RE Native >50% 2 0 0 S Lost from Caernarfon (3 sites, last in 1928; Hill, 1988) & Brecknock (Sennybridge 1907) M Pterogonium gracile Native M Pterygoneurum ovatum RE Native >50% 3 0 0 Extinct by 1830 (Hill, 1988) and declining rapidly in England L Ptilidium ciliare Native L Ptilidium pulcherrimum Native 29 19 8 Uncommon and usually in small quantity in east Wales, probably just a casual M Ptilium crista-castrensis Native 9 7 3 Apart from possibly introduced plants in East Anglia and Gloucestershire, southern edge in Montgomeryshire M Ptychomitrium polyphyllum Native M Pylaisia polyantha Native 11 9 15 W Western edge in Meirionydd, lost from Anglesey but recently found at several new sites in Monmouthshire M Racomitrium aciculare Native M Racomitrium affine Native M Racomitrium aquaticum Native M Racomitrium canescens Native 9 6 13 True R. canescens is restricted to calcareous dunes and limestone hills M Racomitrium ellipticum Native 12 9 5 S Southern edge in Meirionydd (Cadair Idris) M Racomitrium elongatum Native M Racomitrium ericoides Native M Racomitrium fasciculare Native M Racomitrium heterostichum Native M Racomitrium lanuginosum Native NT LC M Racomitrium macounii VU- A-, B- Native >50% 7 3 17 S Southern edge in Carmarthenshire (Afon Tywi, Dinas RSPB; Bosanquet et al., 2005), also in Brecknock (Nant Irfon; Woods, 2006) and recently at 1 site in north Wales (Afon Tryweryn) but only old records from 5 others M Racomitrium sudeticum Native L Radula aquilegia VU- A-, B- Native >50% 11 4 2 S Southern edge in Cardiganshire (Cwm Rheidol), desperate lack of recent records from north Wales but perhaps because it is too frequent to note specifically L Radula complanata Native L Radula lindenbergiana Native L Radula voluta EN B Native Rare 8 5 22 S Southern edge in Meirionydd; Hill (1988) reports 11 sites, some of which have been relocated by ME Newton and ABG Averis; Hydroelectric power schemes are thought to be a particular threat to <strong>this</strong> hygrophilous species. L Reboulia hemisphaerica Native M Rhabdoweisia crenulata Native 30 20 18 S Southern edge in Glamorgan (Craig y Llyn) M Rhabdoweisia crispata Native M Rhabdoweisia fugax Native M Rhizomnium pseudopunctatum Native M Rhizomnium punctatum Native M Rhodobryum roseum Native M Rhynchostegiella curviseta RE Native >50% 2 0 0 Lost from Monmouthshire (Llanthony Valley pre-1920, Tintern 1925; Bosanquet, 2003) M Rhynchostegiella tenella Native M Rhynchostegiella teneriffae Native M Rhynchostegium confertum Native M Rhynchostegium megapolitanum Native M Rhynchostegium murale Native M Rhytidiadelphus loreus Native M Rhytidiadelphus squarrosus Native 43
44 Comments Disjunct from Scotland? Edge of GB range? Prop (%) of GB population Wales extant (post-1970) Wales hectads (all records) Significant decline? Europe Red List Section 42 Wales Native/alien status Criteria Wales Red List Taxon MLH GB Red List 2011 GB Red List 2005 EN NT M Rhytidiadelphus subpinnatus Native S42 10 8 73 S Southern edge in Brecknock/Glamorgan (Nedd & Mellte), also in Carmarthenshire (2 extant sites) and Meirionydd (2 extant sites), most recent British records are from Wales M Rhytidiadelphus triquetrus Native M Rhytidium rugosum EN A, B Native >50% 3 1 2 Very rare in Snowdonia (Hill, 1988) with records from Moel Hebog (to 1979), Cwmglas-mawr (1960) and Craig yr ysfa (1946) L Riccardia chamedryfolia Native L Riccardia incurvata Native L Riccardia latifrons Native L Riccardia multifida Native L Riccardia palmata Native L Riccia beyrichiana Native 23 21 28 Widespread on the coast, especially on Llyn and near St David's; more scattered inland VU VU L Riccia canaliculata EN A, B Native S42 >50% 3 1 10 Lost from 2 of 3 north Wales sites, last seen near Beaumaris in 1972 and not refound during several recent searches (TH Blackstock pers. comm., 2010) L Riccia cavernosa Native 14 10 10 By reservoirs in Monmouthshire and in dune pools in west Wales and north Wales L Riccia crozalsii EN A, B Native >50% 6 3 11 N Northern world edge on Anglesey, lost from 4 of 6 north Wales sites but recently found new to Pembrokeshire (Ramsey & Skokholm) L Riccia fluitans Native 21 19 8 W Western edge in Carmarthenshire (near Whitland) L Riccia glauca Native L Riccia huebeneriana Native Rare 9 7 26 No significant decline in Wales, locally abundant on 7 reservoirs in Brecknock and 1 in Carmarthenshire (Motley & Bosanquet, 2005), also on the Afon Teifi and Lake Vyrnwy, although perhaps lost from Anglesey (Llyn Llywenan 1952; Hill, 1988) and 1 site in Carmarthenshire (Talley Lakes 1907) EN EN L Riccia nigrella EN B Native S42 3 2 40 N Northern world edge in Meirionydd, status in Barmouth and at Harlech Castle needs to be ascertained, secure in Radnorshire (Stanner Rocks) L Riccia sorocarpa Native L Riccia subbifurca Native L Ricciocarpos natans EN A, B Native >50% 2 1 1 W Western edge in Denbighshire (Wrexham ponds), now only extant Welsh site if still present (Hill, 1988), lost from Monmouthshire (Magor) L Saccogyna viticulosa Native M Sanionia uncinata Native M Sarmentypnum exannulatum Native M Sarmentypnum sarmentosum Native L Scapania aequiloba Native 9 8 7 S Southern edge in Monmouthshire/Brecknock (Bosanquet & Motley, 2008) L Scapania aspera Native L Scapania calcicola CR B Native >50% 1 0 0 S Yes Southern edge in Brecknock where not looked for since 1965 (Woods, 2006), outlying from Perthshire L Scapania compacta Native L Scapania cuspiduligera Native 10 6 14 S Southern edge in Glamorgan (Mumbles Head 1969), in at least 12 sites in limestone hills of Monmouthshire, Brecknock & Carmarthenshire L Scapania gracilis Native NT NT L Scapania gymnostomophila EN B Native 2 2 14 S Yes Southern edge in Carmarthenshire (Bannau Sir Gaer), also in Caernarfon (Cwmglas-bach) L Scapania irrigua Native L Scapania lingulata Native 6 6 25 S Southern edge in Brecknock/Pembrokeshire, scattered upland and coastal sites L Scapania nemorea Native L Scapania nimbosa RE Native Rare >50% 1 0 0 S Yes Lost from Caernarfon (Cwm Cneifion 1909; Hill, 1988), now southern edge in South Ebudes L Scapania ornithopodioides EN B Native 2 2 2 S Southern edge in Caernarfon (Clogwyn Du'r Arddu, Cwm Idwal & Ysgolion Duon; Hill, 1988) NT LC L Scapania paludicola Native 17 17 89 Very high proportion of British records come from neutral or acid mires in mid Wales, where new sites continue to be discovered L Scapania paludosa EN B Native 2 2 10 S Southern edge in Meirionydd (Llyn Cwmorthin), also in Caernarfon (Nant Ffrancon) L Scapania scandica Native L Scapania subalpina Native L Scapania uliginosa EN B Native 5 5 6 One outlier in Black Mountains of Herefordshire, otherwise southern edge in Cardiganshire (Pumlimon) L Scapania umbrosa Native L Scapania undulata Native M Schistidium agassizii VU D2 Native 4 3 19 S Southern edge in Meirionydd M Schistidium apocarpum Native
Page 1 and 2: 1 Plantlife Cymru Uned 14, Llys Cas
Page 3 and 4: A Bryophyte Red Data List for Wales
Page 31 and 32: 30 Comments Disjunct from Scotland?
Page 43: 42 Comments Disjunct from Scotland?

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