(Upload on October 17 2023) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME (English | 日本語) > Research (研究概要) > Volcanic succession (火山遷移) > Mount Usu (有珠山) > Flora (フローラ)
Usuthe revegetation (植生回復)flora (フローラ) after the 1977-78 and the 2000 eruptions Ref. Flora on Mount Koma, Engler's syllabus (エングラー体系), Glossary (小辞典), Plant list (植物リスト) |
Nomenclature follows Ohwi & Kitagawa (1983), if the authories are not indicated. Vauchor specimens are kept in my lab., and partly in SAPS. |
The research has been conducted from 1983 to the present.
Division PteridophytaLycopodiaceae Equisetaceae OphioglossaceaeBotrychium multifidum var. robustum Aspidiaceae
Dryopteris austriaca Division SpermatophytaSubdivision GymnospermaePinaceae
Picea glehnii (plantation, アカエゾマツ) Subdivision AngiospermaeClass MonocotyledoneaePoaceae (Gramineae)
Agrostis alba
Carex flavocuspis (ミヤマクロスゲ)
Juncus effusus var. decipiens (イグサ)
Polygonatum odoratum var. pluriflorum
Cephalanthera longibracteata (SAPS) Class DicotyledoneaeSubclass ChoripetalaeSalicaceae
Populus davidiana
Alnus hirsuta
Ulmus davidiana var. japonica Morus bombycis Urticaceae
Boehmeria gracilis
Polygonum aviculare |
Polygonum sachalinense (オオイタドリ)
Cerastium holosteoides var. angustifolium
Ranunculus repens
Arabis lyrata var. kamtschatica
Astilbe thunbergii var. congesta
Aruncus dioicus var. tenuifolius f. plenum (ヤエオオダイコンソウ)
Geum japonicum
Desmodium oxyphyllum var. japonicum (ヌスビトハギ) 
Daphniphyllaceae
Daphne jezoensis (2023/04/13) RutaceaePhellodendron amurense var. sachalinense Anacardiaceae
Rhus ambigua
Celastrus orbiculatus
Acer japonicum
var. mono (エゾイタヤ) Vitis coignetiae Tiliaceae Actinidiaceae Hypericaeae (Guttiferae) Violaceae
Viola grypoceras (タチツボスミレ) |
Elaeagnaceae
Elaeagnus umbellata Onagraceae
Epilobium angustifolium (ヤナギラン)
Aralia cordata
Angelica ursina (エゾニュウ) Oleaceae
Fraxinus lanuginosa Asperula odorata (SAPS) Boraginaceae
Myosotis arvensis
Clinopodium micranthum (2016)
Chimaphila japonica (2016)
Pedicularis yezoensis
Plantago asiatica
Lonicera morrowii
Adenocaulon himalacium |
[since Fall 2002]
Kompira CratersAnaphalis margaritacea Benth. et Hook. fil. var. angustior Nakai (perennial)Artemisia montana Pampan. Aster ageratoides Turcz. var. ovatus Nakai f. yezoensis Ohwi Betula maximowicziana Regen Calamagrostis epigeios Roth Calamagrostis hakonensis Franchet et Savatier Calamagrostis pseudo-phragmites (Haller fil.) Koeler Celastrus orbiculatus Cercidiphyllum japonicum Sieb. et Zucc. Chenopodium centrorubrum Nakai Linaria japonica Miq. Cirsium vulgare (Savi) Tenore Dactylis glomerata L. Digitaria adscendens Henrard (annual) Epilobium montanum L. Equisetum arvense L. Erigeron annuus Pers. Erigeron sumatrensis Retz. (annual) Hydrangea petiolaris Sieb. et Zucc. Hydrangea paniculata Sieb. et Zucc. Hypochaeris radicata L. (perennial) Miscanthus sinensis Andersson Oenothera biennis L. Ixeris dentata Nakai (perennial) |
Larix kaempferi (Lambert) Carriere Lolium multiflorum Lam. (perennial) Petasites japonicus Maxim. var. giganteus Hort. (perennial) Pinus densiflora Sieb. et Zucc. Poa annua L. (annual) Polygonum sachalinense Fr. Schm. Rorippa islandica Borbas (biennial) Rumex obtusifolius L. Sonchus asper Hill (annual-biennial) Sisymbrium officinale Scop. (annual-biennial) Picris hieracioides L. ssp. japonica (Thunb.) Krylov Phragmites australis (Cavanilles) Trinius ex Steudel Phragmites japonica Steud. Populus maximowiczii A. Henry Senecio vulugaris L. (annual-biennial) Solanum nigrum L. (annual) Salix integera Thunb. Salix sachalinensis Fr. Schm. Salix vulpina Anders. Stellaria aquatica Scop. (biennial-perennial) Solidago giganetea Ait. var. leiophylla Fern. Taraxacum officinale Trifolium pratense L. ___ after 2010 ___ Agrostis gigantea Rothbr |
Amorpha fruticosa L. Calamagrostis hakonensis Franchet et Savatier Dianthus armeria L. Hordeum jubatum L. Inula britannica L. Lythrum salicaria L. Robinia pseudo-acacia L. Solidago canadensis L. Solidago gigantea Aiton Silene armeria L. Spiraea salicifolia L. Spiranthes sinensis Thujopsis dolabrata (L. f.) Siebold et Zucc. var. hondae Makino Ulmus davidiana Planch. var. japonica (Rehder) Nakai Youngia denticulata (Houttuyn) Kitamura RemarksOphioglossum petiolatum Hook. (コヒロハハナヤスリ), established near a craterMosses on the Nishiyama CratersMarchantia emarginata Reinw., Blume et Nees ssp. tosana (Steph.) Bischl. (トサノゼニゴケ, temp.)Polytrichum commune Hedw. (ウマスギゴケ) Racomitrium japonicum Dozy et Molk. (エゾスナゴケ) |