| 
                                    Tortella fragilis (Hook. & Wilson) Limpr.
                                 | 
                                H. W. Arnell  | 
                                — | 
                                — | 
                                — | 
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                                — | 
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                                | 
                                    Scouleria rschewinii Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                26 Aug 1876 | 
                                — | 
                                — | 
                                Siberia, Jenisei, Tolstoinos. See location… | 
                                isolectotype | 
                                 | 
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                                | 
                                    Scouleria rschewinii Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                26 Aug 1876 | 
                                — | 
                                — | 
                                Siberia, Jenisei, Tolstoinos | 
                                isolectotype | 
                                 | 
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                                | 
                                    Scouleria rschewinii Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                26 Aug 1876 | 
                                — | 
                                — | 
                                Siberia, Jenisei, Tolstoinos | 
                                isolectotype | 
                                 | 
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                                | 
                                    Martinellia tundrae Arnell
                                 | 
                                H. W. Arnell  | 
                                2/8/1876 | 
                                Russia | 
                                — | 
                                Siberia: Jenisei, Dudinka | 
                                possible isotype | 
                                 | 
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                                | 
                                    Timmia sibirica Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                12 Jul 1876 | 
                                Russia | 
                                — | 
                                Siberia. Jenisej, Mjelnitsa | 
                                syntype | 
                                 | 
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                                | 
                                    Timmia sibirica Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                12 Jul 1876 | 
                                Russia | 
                                — | 
                                Siberia. Jenisej, Mjelnitsa | 
                                syntype | 
                                 | 
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                                | 
                                    Seligeria tristichoides Kindb.
                                 | 
                                H. A. L. Schlegel | H. W. Arnell s.n. | 
                                Jul 1869 | 
                                Norway | 
                                — | 
                                Saltdal herred, Hals | 
                                isotype | 
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                                | 
                                    Stereodon recurvatus Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                13 Jun 1876 | 
                                Russia | 
                                — | 
                                Siberia. Sibiria: Jenisei, Krasnojarsk, 56°… | 
                                probable syntype | 
                                 | 
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                                | 
                                    Dicranum bergeri var. acutiformis Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                2/8 1876 | 
                                — | 
                                — | 
                                Siberia, Jenisei, Dudinka | 
                                isotype | 
                                 | 
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                                | 
                                    Bryum grandiflorum Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                23 Jun 1898 | 
                                Sweden | 
                                — | 
                                Gestrikland, insula Edskoe | 
                                syntype | 
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                                | 
                                    Campylium polygamum var. subsecundum Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                04 Aug 1910 | 
                                Sweden | 
                                — | 
                                Uppland. Vätö, Björkö, in einem… | 
                                type | 
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                                | 
                                    Amblystegium latifolium Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                29 Aug 1876 | 
                                — | 
                                — | 
                                Sibiria: Jenisei, Tolstoinos | 
                                isolectotype | 
                                 | 
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                                | 
                                    Amblystegium latifolium Lindb. & Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                25 Aug 1876 | 
                                — | 
                                — | 
                                Siberia: Jenisei, Tolstoinos. | 
                                possible syntype | 
                                 | 
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                                | 
                                    Amblystegium tundrae Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                1876 2/8 | 
                                Russia | 
                                — | 
                                Jenesei, Dudinka | 
                                isotype | 
                                 | 
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                                | 
                                    Bryum pallescens var. bottnicum Arnold
                                 | 
                                H. W. Arnell s.n. | 
                                Jun 1897 | 
                                Sweden | 
                                — | 
                                Iggoe in Gestrikland (Suecia). | 
                                type | 
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                                | 
                                    Bryum grandiflorum var. cygneum Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                29 Jul 1900 | 
                                Sweden | 
                                — | 
                                Insula Hvitgrund prope Gefle (Suecia). | 
                                type | 
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                                | 
                                    Bryum intermedium var. ovikense Arnell
                                 | 
                                H. W. Arnell s.n. | 
                                Jul 1904 | 
                                Sweden | 
                                — | 
                                Par. Oviken, prov. Jemtland (Suecia). | 
                                type | 
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                                | 
                                    Plagiothecium latebricola Schimp.
                                 | 
                                H. W. Arnell  | 
                                27 Jul 1900 | 
                                Sweden | 
                                — | 
                                Gestrikland: par. Hille, Edsköröjning | 
                                — | 
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                                | 
                                    Tolypella normaniana (Nordst.) Mig.
                                 | 
                                H. A. L. Schlegel | H. W. Arnell s.n. | 
                                29 Jul 1869 | 
                                Norway | 
                                — | 
                                in sinu marino ad Solö | 
                                — | 
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                                | 
                                    Archidium alternifolium (Hedw.) Schimp.
                                 | 
                                H. W. Arnell  | 
                                22 Jul 1910 | 
                                Sweden | 
                                — | 
                                Uppland. par. Vätö, Björkö, Kullasjön | 
                                — | 
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                                | 
                                    Archidium alternifolium (Hedw.) Schimp.
                                 | 
                                H. W. Arnell  | 
                                24 Aug 1889 | 
                                Sweden | 
                                — | 
                                Småland, par. Barkeryd, Boarp, in… | 
                                — | 
                                 | 
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                                | 
                                    Archidium alternifolium (Hedw.) Schimp.
                                 | 
                                H. W. Arnell  | 
                                30 Jun 1893 | 
                                Sweden | 
                                Västra Götaland | 
                                par. Medelplana, Råbäcks hamn | 
                                — | 
                                 | 
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                                | 
                                    Archidium alternifolium (Hedw.) Schimp.
                                 | 
                                H. W. Arnell  | 
                                30 Jun 1893 | 
                                Sweden | 
                                Västra Götaland | 
                                Vänerns strand ... Räbäcks hamn | 
                                — | 
                                 | 
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                                | 
                                    Archidium alternifolium (Hedw.) Schimp.
                                 | 
                                H. W. Arnell  | 
                                21 Aug 1898 | 
                                Sweden | 
                                Västra Götaland | 
                                Eddrkorojning [illegible] | 
                                — | 
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