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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 L Conocephalum salebrosum Native 34 34 61 Recently recognised and under-recorded in Britain - not threatened M Conostomum tetragonum RE Native >50% 1 0 0 S Lost from Caernarfon (Glyders 1910, Snowdon 1919; Hill, 1988) M Coscinodon cribrosus Native 28 22 52 Frequent on the north coasts of Pembrokeshire & Cardiganshire, apparently more so than elsewhere in GB, but perhaps under-recorded in England and Scotland M Cratoneuron filicinum Native M Cryphaea heteromalla Native M Ctenidium molluscum var. condensatum Native M Ctenidium molluscum var. molluscum Native M Ctenidium molluscum var. robustum DD Native 2 2 13 Southern edge in Carmarthenshire (Afon Clydach 2003; Bosanquet et al., 2005) M Cynodontium bruntonii Native M Cynodontium jenneri Native 4 3 4 S Southern edge in Meirionydd (Moelwyn Bach) M Cynodontium polycarpon EN A, B Native >50% 2 1 17 S Southern edge in Meirionydd, lost from 1 or perhaps both sites (Cadair Idris to 1860; Cwm Croesor to 1970) VU VU M Daltonia splachnoides DD Native 1 1 10 E Recently found in a conifer plantation in Carmarthenshire (SDS Bosanquet pers. obs., 2010), spreading rapidly in Ireland and clearly a recent colonist in Wales so not considered to be threatened VU NT M Dendrocryphaea lamyana VU D2 Native S42 VU 5 5 36 N Northern edge in Cardiganshire, significant part of GB population is on Afon Teifi (Holyoak, 2002), also on Afon Tywi (Bosanquet et al., 2005) M Dialytrichia mucronata Native 29 24 11 W Western edge in Pembrokeshire (Sandy Haven) NE VU M Dialytrichia saxicola RE Native >50% 1 0 0 N Northern edge in Caernarfon, only Welsh record (Prenteg 1927; Bates et al., 2007) M Dichodontium flavescens Native 13 8 22 Under-recorded in GB because only identifiable when fruiting M Dichodontium palustre Native M Dichodontium pellucidum Native M Dicranella cerviculata NT B Native 30 17 7 Lost from Monmouthshire, Glamorgan, Radnorshire & Pembrokeshire in 20th century M Dicranella crispa EN A, B Native >50% 2 1 2 Lost from Meirionydd (Morfa Dyffryn) since 1911, found in Radnorshire by Mark Lawley in 2009 M Dicranella heteromalla Native M Dicranella rufescens Native M Dicranella schreberiana Native M Dicranella staphylina Arch? M Dicranella subulata Native M Dicranella varia Native M Dicranodontium asperulum CR B Native DD 1 1 3 S Southern edge in Caernarfon, only Welsh site M Dicranodontium denudatum Native M Dicranoweisia cirrata Native M Dicranoweisia crispula EN B Native 2 2 4 S Southern edge in Caernarfon, lost from 1 of 3 sites (Hill, 1988) M Dicranum bonjeanii Native M Dicranum flagellare VU D2 Native 3 3 8 Rare in eastern Wales and perhaps only a casual here M Dicranum fuscescens Native DD DD M Dicranum leioneuron Native 7 6 43 S Southern edge in Brecknock, but taxonomically confused and perhaps not a true British species (G.P. Rothero pers. comm.) M Dicranum majus Native M Dicranum montanum Native 13 13 6 Occasional in eastern Wales, perhaps spreading westwards M Dicranum polysetum WL Native 1 1 2 W Western edge in Anglesey (Newborough Forest), where a relatively recent arrival M Dicranum scoparium Native M Dicranum scottianum Native M Dicranum tauricum Native VU VU M Dicranum undulatum EN A, B Native S42 >50% 4 1 5 S Southern edge in Cardiganshire (Cors Fochno), where last seen in 1967 (Hale, 1998) and not refound in 2009, still extant in Denbighshire (Bettisfield Moss) M Didymodon acutus Native 14 8 10 Widespread on coastal limestone, rarer inland M Didymodon fallax Native M Didymodon ferrugineus Native 33
34 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 Didymodon insulanus Native M Didymodon luridus Native M Didymodon nicholsonii Native M Didymodon rigidulus Native M Didymodon sinuosus Native M Didymodon spadiceus Native LC LC M Didymodon tomaculosus VU D2 Arch? S42 DD 2 2 9 Only recorded in Wales from Pembrokeshire and Monmouthshire, but probably overlooked M Didymodon tophaceus Native M Didymodon umbrosus NA Neo 3 3 4 W Western edge in Glamorgan (Ewenny Priory, R.V. Lansdown 2009) M Didymodon vinealis Native 57 43 5 Rarer in Wales than in England, but still locally frequent in the lowlands M Diphyscium foliosum Native L Diplophyllum albicans Native L Diplophyllum obtusifolium Native 67 58 41 Frequent in conifer plantations in Wales and probably better recorded here than in most of GB L Diplophyllum taxifolium RE Native >50% 1 0 0 S Yes Lost from Caernarfon (Glyders 1844; Hill, 1988), now southern edge in Perthshire M Discelium nudum Native RT 6 6 7 Very scarce in north-east Wales M Distichium capillaceum Native 21 14 5 Near southern limit in Brecknock but new records from Cornwall since the Atlas M Distichium inclinatum Native 13 12 14 In limestone quarries and dune slacks in both north and south Wales, sometimes on wall mortar M Ditrichum flexicaule DD Native >50% 14 5 11 Recently recorded only from Great Orme's Head, Creigiau Eglwyseg, Tywyn Aberffraw & Craig y Cilau, but poorly understood and probably not such a significant decline M Ditrichum gracile Native M Ditrichum heteromallum Native M Ditrichum lineare Native 19 18 38 Outlying colony in Cornwall, otherwise southern edge in Carmarthenshire NT LC M Ditrichum plumbicola Arch? S42 VU 10 10 56 The Mid Wales ore field is the British headquarters of <strong>this</strong> species M Ditrichum pusillum VU D2 Native 5 4 13 Rare in unremarkable sites in north Wales (Hill, 1988); surely somewhat overlooked VU VU M Ditrichum subulatum VU D2 Native S42 4 4 33 N Northern edge in Carmarthenshire, significant proportion of GB colonies in Pembrokeshire (8 populations) M Ditrichum zonatum Native 14 12 21 S Southern edge in Carmarthenshire L Douinia ovata Native M Drepanocladus aduncus Native M Drepanocladus polygamus Native M Drepanocladus sendtneri EN A, B Native RT >50% 11 4 10 Lost from Monmouthshire, still extant in dunes of Glamorgan and north Wales; inland records from Radnorshire & Flintshire (Halkyn Mountain) L Drepanolejeunea hamatifolia Native 15 11 3 One outlier in Cornwall, otherwise southern edge in Meirionydd M Encalypta alpina RE Native >50% 1 0 0 S Lost from Caernarfon (Cwm Dyli 1931; Hill, 1988) M Encalypta ciliata Native 20 18 19 S Southern edge in Monmouthshire, rare in north Wales (Hill, 1988) but widespread in Brecon Beacons (Bosanquet & Motley, 2008) M Encalypta rhaptocarpa RE Native >50% 1 0 0 S Lost from Caernarfon (Glyders 1880; Hill, 1988) M Encalypta streptocarpa Native M Encalypta vulgaris Native M Entodon concinnus VU- B- Native 8 5 2 BBS spring meeting in 2008 showed Entodon to be more frequent in Denbighshire limestone than previously thought, possibly lost from Glamorgan (Oxwich) M Entosthodon attenuatus Native M Entosthodon fascicularis Native M Entosthodon muhlenbergii NT B Native 13 7 21 W Western edge in Glamorgan (Mewslade; Bosanquet, 2008a), lost from Meirionydd (Harlech Castle 1908; Hill, 1988) M Entosthodon obtusus Native VU NT M Entosthodon pulchellus Native S42 10 9 60 One outlier in Aberdeenshire, otherwise northern edge in Caernarfon (Great Orme's Head), large part of GB population in Glamorgan (Bosanquet, 2008a) NE NE M Ephemerum crassinervium VU D2 Native 2 2 100 Only British colonies are in Monmouthshire (Wentwood Reservoir), also in Carmarthenshire (Pant-y-llyn Turlough) (Motley & Bosanquet, subsp. rutheanum 2005), taxonomy revised by Holyoak (2010), formerly E. hibernicum LC NE M Ephemerum crassinervium Native Rare 12 12 29 Six sites in Monmouthshire, 2 in Brecknock, 1 in Carmarthenshire & 2 in Pembrokeshire make south Wales significant for <strong>this</strong> taxon, only 1 subsp. sessile north Wales record (Llyn Alaw 1988)
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 33: 32 Comments Disjunct from Scotland?

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