8801 29125145 2018 Journal of Center for Regional Affairs, Fukushima University 29 (2):125-145, Feb 2018 福島市松川町水原クマガイソウ自生地周辺の植物相と保全に関する提言 Flora of Mizuhara, Fukushima Prefecture, Japan, one of the largest populations of a vulnerable orchid, Cypripedium japonicum, and proposals for conservation KUROSAWA Takahide, KIYOHARA Kazuki, YAMASHITA Yumi 20032002 2015 349 2003 2004 Cypripedium japonicum 1997 20032015 2017 2015 156 1993199420032011 14 125

2920182 8802 126 2017 200219982000 100 1973 1990 1990 30002000 2002 2003 2004 100204497202018 19801987 1952 1970 19801998 1980 19992001 19871987 2001 2003 2015 2017 2017 2003 20022004 374014023 6499 福島県 37 30 N 37 0 N 140 E 141 E

8803 2002142003 20032003 201120201120 200214200915 127

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8805 20022015 26 0 00 00 00 00 26 0 2 1 00 00 00 00 2 1 5 0 00 00 00 00 5 0 63 2 00 20 00 00 65 2 24616 00 20 20 10 25116 34219 00 40 20 10 34919 1987 1987 1987 19 10057 2441988 20036221847 20022015 129

8806 2920182 20022015 2017103881 2018 20172017 1603520171229 2017 2016 2017 2002 20162017 2017 2002 2015 2003 2003 19731976 1992 1982 19821992 18 200362220 13 1980 1987 2001 19972000 20012001 2003 130

8807 131 1980 1987 2003 1997200020012001 1991199820022007

2920182 8808 132 19992001 1000 459020171231 2017 2004 2003 10020449720 201820092011 2007 10 2015 50002017 2011 2017 2016 2016

8809 2003 18 562008 1999 1980 2011 19754 2011 19 285052 1997Cypripedium 2002 1987 1991 1979 1988 18 1993 7071 2003 416 2001 44602607 1992 1981 7 2016 137 2016 181 182 20152014 2002 135 147 2007 2016 133

2920182 8810 134 Cypripedium japonicum 1115 2017 28120141 2008 18 2528 2007 1994 91 2011 915 2001 3948 1987 62119126 2015201715 1987 22 19811982 1989 2014 Cypripedium japonicum 29294299 1993 1997 2000 2001 44660690 2001 1999 1997 2017 Cypripedium japonicum 17159166 1998 1056 2015 178231

8811 20022015 2003 20151228 20112011 20152017 1 20171230 2017103881 2018 2017 2017 16035 20171229 2017 2002 Huperzia serrataserrata 406132003 98154071120039816 Selaginella tamariscina 20489 23200214332 Botrychium virginianum 400202003 9956 Equisetum arvense 25792003 9980 Osmunda japonica 319232003 10042 Dennstaedtia hirsuta 46032003 9869 Dennstaedtia wilfordii 4611120039870 Pteridium aquilinumjaponicum 4621120039871 46211200362867 Adiantum pedatum 3341320039890 3331120039889 Thelypteris laxa 472112003 9881 Thelypteris pozoimollissima 4711120039880 4702020039879 Pentarhizidium orientale 464520039873 Blechnum amabile 41532003 9824 Blechnum niponicum 417132003 9826416112003 9825 Anisocampium niponicum 466420039875 4652720039874 Deparia conilii 4681120039877 Deparia pycnosora 4691120039878 Diplazium squamigerum 4671120039876 Arachniodes standishii 2561020039979 Cyrtomium fortuneifortunei 2543020039977 2551020039978 Dryopteris lacera 252420039975 Dryopteris polylepis 2501120039973 251620039974 Polystichum ovatopaleaceum coraiense 249620039972 2483020039971 135

8812 2920182 Polystichum tripteron 2533020039976 Davallia mariesii 46332003 9872 Selliguea hastata 45932003 9868 Pinus densiflora 327252003 10050 Cryptomeria japonica 4361720039845 Chloranthus quadrifolius 19318200310090 Chloranthus serratus 194302003 10091 Houttuynia cordata 3184200310041 Asarum tohokuense 15518200310052 1549200310051 Magnolia obovata 437192003 9846 Arisaema japonicum 293302003 10016 Dioscorea polystachya 3521020039908 Dioscorea tokoro 351132003 99073502720039906 Paris tetraphylla 30112003 10247 Trillium apetalon 22182003 10239 Trillium tschonoskii 2818200310245 Veratrum maackiiparviflorum 21132003 102382113200365678 Disporum sessile 1059132016 90747339200310250 Disporum smilacinum 29 3200310246 Smilax riparia 2782003 10244 Smilax sieboldii 204854200314328 Cardiocrinum cordatumglehnii 234200310240 6556065561 Erythronium japonicum 2518200310242 Lilium auratum 364200310253 Tricyrtis affinis 35132003 10252 Cypripedium japonicum2017 2017 205418 200414343 Cyrtosia septentrionalis 33052003 9886 Gastrodia elata 328112003 9884 Liparis kumokiri 329292003 9885 Platanthera ussuriensis 332132003 9888331272003 9887 136

8813 Allium monanthum 3118200310248 Hosta sieboldiisieboldii spathulata 26 4200310243 Liriope minor 3252003 10249 Maianthemum japonicum 38152003 1025537232003 10254 Polygonatum involucratum 205398 200414341 Polygonatum lasianthum 34132003 10251 Polygonatum macranthum 2412200310241 656366563765638 Polygonatum odoratumpluriflorum 204724200314315 Commelina communis 361420039917 Carex conica 4553020039864 Carex fulta 451132003 9860 452232003 9861 Carex japonica 454202003 9863 Carex lanceolata 453232003 9862 Carex lasiolepis 441252003 9850 Carex maximowiczii 204774200314320 Carex mollicula 456232003 9865 Carex multifoliamultifolia 457620039866 4582320039867 Carex olivaceaconfertiflora 204754200314318 Carex otaruensis 444232003 9853 Carex rhizopoda 448232003 9857 Carex rugata 445232003 9854 Carex sachalinensisalterniflora 443302003 9852 Carex sachalinensisiwakiana 446620039855 4472320039856 Carex shimidzensis 442232003 9851 Carex siderosticta 449232003 9858 Cyperus difformis 4501020039859 Achnatherum pekinense 386320039942 385520039941 Brachyelytrum japonicum 3731120039929 Brachypodium sylvaticum 3881120039944 Calamagrostis brachytricha 3831020039939 3821920039938 Calamagrostis hakonensis 38432003 9940 Dactylis glomerata 3701320039926 Digitaria ciliaris 3871320039943 Echinochloa crus-gallicrus-galli 366520039922 Festuca parvigluma 379202003 993538062003 99363816 20039937 Miscanthus sinensis 376520039932 65816 Oplismenus undulatifolius undulatifoliusjaponicus 3751220039931 374520039930 Oplismenus undulatifolius undulatifoliusundulatifolius 371132003 99273721220039928 137

8814 2920182 Paspalum thunbergii 378520039934 Pleioblastus chino 365620039921 364620039920 65834 Sasa borealis 37762003 9933 Sasaella ramosa 363620039919 65862 Setaria faberi 3621320039918 Spodiopogon sibiricus 367520039923 Trisetum bifidum 3682020039924 369620039925 Hylomecon japonica 2020200310237 19 3200310236 Macleaya cordata 18272003 10235 Akebia trifoliata 158152003 10055 Caulophyllum robustum 157302003 10054 Epimedium grandiflorumthunbergianum 1569200310053 Aconitum japonicumsubcuneatum 803200310143 Aconitum pterocaule 69122003 102867032003 10287 Anemone flaccida 7718200310140 763200310139 Anemone pseudoaltaica 7318200310136 Anemone raddeana 6818200310285 Anemonopsis macrophylla 2017 8227200310145 2049023 20028859814333 Caltha palustrisnipponica 81252003 10144 Cimicifuga japonica 7122200310288 7252003 10135 Cimicifuga simplex 7512200310138 88602 Ranunculus silerifoliusglaber 7410200310137 Thalictrum tuberiferum 7913200310142 7820200310141 Meliosma tenuis 354420039910 355232003 9911 Paeonia japonica 2017 4192720039828 Hamamelis japonica 269 2520039992 Astilbe odontophylla 2411120039964 242112003996524327 2003996688759 Astilbe thunbergiithunbergii 23542003 1013323413200310132 2336200310131 Chrysosplenium flagelliferum 240182003 9963 Chrysosplenium grayanum 246182003 9969 Chrysosplenium macrostemon shiobarense 1182003 99672452320039968 1 18200314334 Rodgersia podophylla 2476 2003997088760 Saxifraga fortuneialpina 138

8815 2381220039961 239192003 9962 Amphicarpaea bracteataedgeworthii japonica 2915200310014 Hylodesmum podocarpum oxyphyllumjaponicum 289132003 10012 Lespedeza bicolor 29242003 10015 Lespedeza buergeri 2854 200310008 28632003 10009 Pueraria lobata 28742003 10010 Trifolium repens 28827200310011 Vigna angularis nipponensis 2905200310013 Agrimonia pilosajaponica 474200310264 4827200310265 Cerasus leveilleana 4132003 10258 Geum japonicum 5311200310270 5227200310269544 2003102715512200310272 Kerria japonica 66 3200310283 Neillia incisa 506200310267 5130200310268 Padus buergeriana 205408200414342 Padus grayana 4052003 10257 Potentilla ancistrifoliadickinsii 3932003 10256 Potentilla centigrana 6013200310277 616200310278 Potentilla cryptotaeniae 6427200310281 2048823200214331 Potentilla freyniana 6315200310280 Potentilla hebiichigo 62202003 10279 Pourthiaea villosa villosa 42232003 10259 43302003 102604410200310261 45172003 10262 Rosa multiflora 5913200310276 204784200314321 Rubus crataegifolius 227200310266 2 27200314335 Rubus microphyllus 58112003 10275 5715200310274 Rubus palmatuscoptophyllus 65 3200310282 Rubus parvifolius 5613200310273 Rubus x pseudoyoshinoi 4613200310263 Sanguisorba officinalis 6712200310284 Berchemia racemosa 204874200314330 Rhamnus japonicadecipiens 424102003 9833 Humulus lupuluscordifolius 271 2220039994270102003 9993 Broussonetia monoica 273620039996 204834200314326 Fatoua villosa 2721920039995 Morus australis 274620039997 204794200314322 204844200314327 139

8816 2920182 Boehmeria silvestrii 196132003 1009319711200310094198 5200310095 Elatostema involucratum 20162003 10098200232003 10097199302003 10096 Laportea bulbifera 203132003 1010020422200310101476 5200310102 Laportea cuspidata 2024200310099 88910 Pilea pumila 205102003 1010319519200310092 Castanea crenata 357420039913 Fagus japonica 356320039912 Quercus crispula 358172003 9914 Betula schmidtii 23232003 10130 Carpinus japonica 204734200314316 22930200310127 Corylus sieboldianasieboldiana 231232003 10129 23052003 10128 Euonymus alatusalatusalatus 326102003 10049 325172003 10048 Euonymus alatusalatusstriatus 204814200314324 32210200310045 Euonymus oxyphyllusoxyphyllus 323302003 10046 324172003 10047 Oxalis stricta 31720200310040 Acalypha australis 425320039834 Neoshirakia japonica 42632003 9835 Salix udensis 474182003 9883 Viola collina 425200310220 Viola eizanensis 53200310221 Viola grypocerasgrypoceras 1132003 10227 103200310226 73200310223 Viola hondoensis 244182003 10217 Viola keiskei 173200310233 4759200310234 Viola kusanoana 69200310222 Viola phalacrocarpa 4932003 10218 Viola rostrata 13252003 10229123 200310228 Viola tokubuchianatakedana 1525200310231 Viola vaginata 818200310224 918200310225 Viola verecundaverecunda 1415200310230 Viola verecundasemilunaris 3232003 10219 Viola violaceamakinoi 16252003 10232 Hypericum erectum 439420039848 Geranium thunbergii 392132003 99483932220039949 140

8817 Circaea erubescens 401132003 99574021120039958 4772720039959 Oenothera biennis 4401320039849 Staphylea bumalda 32120200310044 32030200310043 Stachyurus praecox 3601820039916 3593020039915 Toxicodendron trichocarpum 4131320039822 Acer amoenum 204824200314325 222172003 10120 Acer carpinifolium 226302003 10124 Acer cissifolium 228232003 10126 Acer diabolicum 223302003 10121 Acer japonicum 227172003 10125 Acer micranthum 225172003 10123 Acer pictumdissectum connivens 219172003 10117 220172003 10118 Acer pictummayrii 218172003 10116 2173200310115 Acer rufinerve 221172003 10119 Acer sieboldianum 224172003 10122 Zanthoxylum piperitum 192232003 10089 Zanthoxylum schinifolium 189112003 10086 190102003 10087 Picrasma quassioides 191192003 10088 Arabis hirsuta 205388200414340 Capsella bursa-pastoris 149132003 10212 Cardamine regeliana 14823 200310211 1479200310210 Cardamine tanakae 152232003 102151513200310214 1509200310213 Eutrema tenue 153182003 10216 Buckleya lanceolata 3992320039955 Fallopia dentatoalata 2993200310022 Fallopia japonicauzenensis 301132003 1002430011200310023302 27200310025 Persicaria filiformis 308132003 100313094200310032 Persicaria longiseta 2965200310019 Persicaria nepalensis 30310200310026 304122003100273055 200310028 Persicaria posumbu 307122003 100303065200310029 Persicaria sagittatasibirica 29410200310017 29512200310018 Persicaria thunbergii 141

8818 2920182 310222003 10033 Rumex obtusifolius 297132003 100202984200310021 Silene miqueliana 353132003 9909 Stellaria media 204744200314317 Achyranthes bidentatajaponica 408 1320039817 Chenopodium album 4271020039836 428520039837 Cornus controversa 275302003 9998 Cornus kousakousa 2774200310000 276202003 9999 Deutzia crenatacandidissima 2372020039960 Hydrangea serratayesoensis 23611200310134 Impatiens noli-tangere 341 1320039897340 2220039896 Impatiens textoriitextorii 343222003 989966250 Impatiens textoriipallescens 342122003 989866254 Lysimachia clethroides 336420039892 337420039893 Lysimachia japonica 3391120039895 Primula japonica 3381120039894 Stewartia pseudocamellia 4732320039882 Symplocos sawafutagi 4201020039829 Shortia uniflora 438320039847 Styrax japonica 345620039901 3461020039902 347172003 9903 Actinidia arguta 204694200314312 Actinidia polygama 349420039905 3482720039904 Clethra barbinervis 42342003 983242232003 9831421520039830 Elliottia paniculata 2153200310113 Enkianthus subsessilis 20623200310104 Lyonia ovalifoliaelliptica 2143200310112 Monotropastrum humile 18723200310084 Pyrola japonica 186112003 10083 Pyrola nephrophylla 188112003 10085 Rhododendron kaempferikaempferi 21623200310114 Rhododendron wadanum 2093200310107 Vaccinium hirtumhirtum 20742003 10105208232003 10106 Vaccinium oldhamii 21042003 1010821311200310111 2121720031011021132003 10109 142

8819 Galium pseudoasprellum 390132003 9946 Paederia foetida 391222003 9947 Rubia argyi 389132003 9945 Gentiana scabrabuergeri 435620039844 Swertia bimaculata 429122003 9838430192003 9839 Swertia japonica 43132003 9840 Tripterospermum japonicum 4331020039842 434520039843 432172003 9841 Tylophora aristolochioides 414112003 9823 Vincetoxicum magnificum 20505142002 14339 Cuscuta japonica 34452003 9900 Plantago asiatica 335420039891 Veronica miqueliana 403232003 98124043020039813 Callicarpa japonica 3981120039954 Clerodendrum trichotomum 394 1320039950396222003 99523952720039951 397420039953 Clinopodium chinensegrandiflorum 17613200310073 Elsholtzia ciliata 1793200310076 Glechoma hederaceagrandis 1739200310070 Isodon inflexus 181132003 100781804200310077 18212200310079 Meehania urticifolia 183152003 10080184302003 10081 Perilla citriodora 185192003 10082 Perilla frutescenscrispa 17710200310074 Salvia nipponica 175192003 100721745200310071 Teucrium viscidummiquelianum 178132003 10075 Phryma leptostachyaasiatica 41842003 9827 Mazus miquelii 405620039814 Adenophora divaricata 282222003 1000528112200310004 Adenophora remotiflora 27813200310001 2794200310002 Campanula punctatahondoensis 284112003 10007 Campanula punctatapunctata 28327200310006 Codonopsis lanceolata 280122003 10003 Adenocaulon himalaicum 124102003 10187 Ainsliaea acerifoliasubapoda 91132003 10154 Ambrosia artemisiifolia 143

8820 2920182 1355200310198 Artemisia keiskeana 88102003 10151 8719200310150 Aster ageratoidesageratoides 1053200310168 106122003 10169 Aster iinumae 146222003 10209 14510200310208 Aster microcephalusovatus 121102003 1018412219200310185 1235200310186 Aster scaber 101132003 1016410222200310165 1031020031016610452003 10167 Atractylodes ovata 9210200310155 9319200310156 Bidens frondosa 866200310149 Carpesium abrotanoides 1416200310204 Carpesium divaricatumdivaricatum 9952003 10162 Cirsium japonicum 1204200310183 Cirsium makinoi 1196200310182 1181220031018167264117 19200310180 Crepidiastrum denticulatum 140192003 102031395200310202 Eclipta alba 11210200310175 Erechtites hieraciifolius 11510200310178 Erigeron annuus 1304200310193 Erigeron philadelphicus 12920200310192 12830200310191 204714200314314 Erigeron sumatrensis 8910200310152 Eupatorium makinoi oppositifolium 132132003 1019513122200310194133 27200310196 Ixeridium dentatumnipponicum albiflorum amplifolium 125202003 101881266200310189 Ixeris stolonifera 204764200314319 Leibnitzia anandria 111102003 10174 Leucanthemum vulgare Lam 13613200310199 204704200314313 Ligularia dentata 13713200310200 Parasenecio delphiniifolius 138132003 10201 Parasenecio farfarifolius bulbiferus 11310200310176 67211 11412200310177 Parasenecio nikomontanus 903200310153 Parasenecio yatabei 1446200310207 Pertya glabrescens 116132003 10179 Pertya triloba 98192003 10161 Petasites japonicus 134182003 10197 Pseudognaphalium affine 12742003 10190 Saussurea nipponicasavatieri 10810200310171 11012200310173 109192003 10172 Sigesbeckia glabrescens 100102003 1016367590 Solidago virgaureaasiatica 83132003 1014685122003 101488419200310147 Syneilesis palmata 14242003 10205 14352003 10206 Synurus pungens 9610200310159 144

8821 9719200310160 Taraxacum officinale 107232003 10170 Taraxacum venustum 204864200314329 Youngia japonica 956200310158 9430200310157 Sambucus racemosasieboldiana 263420039986 264920039987 Viburnum dilatatum 260172003 99832611720039984 Viburnum phlebotrichum 259172003 9982 258320039981 Viburnum plicatumtomentosum 26842003 9991267302003 9990 Viburnum wrightii 266172003 9989 Abelia spathulataspathulata 2622320039985 Lonicera gracilipesglandulosa 265132003 9988 Patrinia villosa 409222003 981841052003889129819 Valeriana flaccidissima 412202003 98214113 20039820 3154 200310038 Angelica decursiva 16710200310064 168122003 8884510065 Angelica polymorpha 165102003 888528885310062 Angelica pubescens 164102003 10061 Cryptotaenia canadensisjaponica 16952003 10066 Osmorhiza aristata 171202003 10068 17230200310069 1709200310067 Sanicula chinensis 15911200310056 1604200310057 Sium serra 166132003 10063 Spuriopimpinella calycina 163132003 100601624200310059 Torilis scabra 16113200310058 Aralia cordata 311132003 10034 Chengiopanax sciadophylloides 312172003 10035 Eleutherococcus spinosus 3164200310039 204804200314323 Gamblea innovans 3133200310036 Panax japonicus 31413200310037 145