Id%Version%Family%Infra family%Hybrid genus%Genus%Infra genus%Hybrid%Species%Species author%Infra species%Rank%Authors%Basionym author%Standardised basionym author flag%Publishing author%Standardised publishing author flag%Full name%Full name without family%Full name without authors%Full name without family and authors%Reference%Publication%Standardised publication flag%Collation%Publication year full%Publication year%publication year note%Publication year text%Volume%Start page%End page%Primary pagination%Secondary pagination%Reference remarks%Name status%Remarks%Hybrid parents%Basionym%Replaced synonym%Replaced synonym Author team%Nomenclatural synonym%Other links%Same citation as%Distribution%Citation type%Bibliographic reference%Bibliographic type info%Collection date as text%Collection day1%Collection month1%Collection year1%Collection day2%Collection month2%Collection year2%Collection number%Collector team as text%Geographic unit as text%Locality%Latitude degrees%Latitude minutes%Latitude seconds%North or south%Longitude degrees%Longitude minutes%Longitude seconds%East or west%Type remarks%Type name%Type locations%Original taxon name%Original taxon name author team%Original replaced synonym%Original replaced synonym author team%Original basionym%Original basionym author team%Original parent citation taxon name author team%Original taxon distribution%Original hybrid parentage%Original cited type%Original remarks
300073-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%%%spec.%L.%%%L.%%Equisetum arvense L.%Equisetum arvense L.%Equisetum arvense%Equisetum arvense%Sp. Pl. 2: 1061. 1753 [1 May 1753] %Sp. Pl.%%2: 1061%1753%1753%1 May 1753%1753%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%341%J.Clayton%%%%%%%%%%%%%lectotype BM%%%%%%%%%%%
60476579-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%alpestre%f.%(Wahlenb.) Döll%(Wahlenb.)%%Döll%%Equisetum arvense f. alpestre (Wahlenb.) Döll%Equisetum arvense f. alpestre (Wahlenb.) Döll%Equisetum arvense f. alpestre%Equisetum arvense f. alpestre%Fl. Baden [Doell] 1(1): 59. 1855 [Mar-Jun 1855] %Fl. Baden [Doell]%%1(1): 59%1855%1855%Mar-Jun 1855%1855%%%%%%%%%%Equisetaceae Equisetum arvense L. var. alpestre Wahlenb.%%%%%%%stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77099594-1%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%alpestre%var.%Wahlenb.%%%Wahlenb.%%Equisetum arvense var. alpestre Wahlenb.%Equisetum arvense var. alpestre Wahlenb.%Equisetum arvense var. alpestre%Equisetum arvense var. alpestre%Fl. Lapp. (Wahlenberg) 296. 1812 %Fl. Lapp. (Wahlenberg)%%296%1812%1812%%1812%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77099595-1%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%alpestre%subsp.%(Wahlenb.) Schönsw. & Elven%(Wahlenb.)%%Schönsw. & Elven%%Equisetum arvense subsp. alpestre (Wahlenb.) Schönsw. & Elven%Equisetum arvense subsp. alpestre (Wahlenb.) Schönsw. & Elven%Equisetum arvense subsp. alpestre%Equisetum arvense subsp. alpestre%J. Bot. Res. Inst. Texas 2(1): 433. 2008 [24 Jul 2008] %J. Bot. Res. Inst. Texas%%2(1): 433%2008%2008%24 Jul 2008%2008%%%%%%%isonym%%%Equisetaceae Equisetum arvense L. var. alpestre Wahlenb.%%%%%%%stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77333031-1%1.1%Equisetaceae%%N%Equisetum%%N%arvense%L.%alpestre%subsp.%(Wahlenb.) Arcang.%(Wahlenb.)%%Arcang.%%Equisetum arvense subsp. alpestre (Wahlenb.) Arcang.%Equisetum arvense subsp. alpestre (Wahlenb.) Arcang.%Equisetum arvense subsp. alpestre%Equisetum arvense subsp. alpestre%Comp. Fl. Ital. [Arcangeli] 816. 1882 [Jan-Apr 1882] %Comp. Fl. Ital. [Arcangeli]%%816%1882%1882%Jan-Apr 1882%1882%%%%%%%%%%Equisetaceae Equisetum arvense L. var. alpestre Wahlenb.%%%%%%%stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92885-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%%arcticum%f.%(Rupr.) M.Broun%(Rupr.)%%M.Broun%%Equisetum arvense f. arcticum (Rupr.) M.Broun%Equisetum arvense f. arcticum (Rupr.) M.Broun%Equisetum arvense f. arcticum%Equisetum arvense f. arcticum%Index No. Amer. Ferns 84. 1938 %Index No. Amer. Ferns%%84%1938%1938%%1938%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92886-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%arcticum%var.%Rupr.%%%Rupr.%%Equisetum arvense var. arcticum Rupr.%Equisetum arvense var. arcticum Rupr.%Equisetum arvense var. arcticum%Equisetum arvense var. arcticum%Beitr. Pflanzenk. Russ. Reiches 3: 21. 1845 ; ='Distr. Crypt. vasc. Ross. '%Beitr. Pflanzenk. Russ. Reiches%%3: 21%1845%1845%%1845%%%%%%='Distr. Crypt. vasc. Ross. '%%Ruprecht (preface p. 6) mentioned: “In sequentibus pagellis species Cryptogamarum vascularium 96 primi et 33 secundi ordinis s.d. varietates... (second-order species or species within species sive dicta = also called varieties) The 96 'primi' are clearly numbered, and all the 'secundi' are clearly labeled with Greek letters. Therefore, despite being presented as binary combinations, the are all infraspecific epithets, following Art. 24.4, ICN (2018).%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92888-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%atratidens%f.%Lepage%%%Lepage%%Equisetum arvense f. atratidens Lepage%Equisetum arvense f. atratidens Lepage%Equisetum arvense f. atratidens%Equisetum arvense f. atratidens%Amer. Midl. Naturalist 46: 755. 1952 %Amer. Midl. Naturalist%%46: 755%1952%1952%%1952%%%%%%%%%%%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1040878-2%1.3.2.1.1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%boreale%var.%(Bong.) Rupr.%(Bong.)%%Rupr.%%Equisetum arvense var. boreale (Bong.) Rupr.%Equisetum arvense var. boreale (Bong.) Rupr.%Equisetum arvense var. boreale%Equisetum arvense var. boreale%Hist. Stirp. Fl. Petrop. 91. 1845 %Hist. Stirp. Fl. Petrop.%%91%1845%1845%%1845%%%%%%%%%%Equisetaceae Equisetum boreale Bong.%%%%%%%comb. et stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92887-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%boreale%subsp.%(Bong.) Tolm.%(Bong.)%%Tolm.%%Equisetum arvense subsp. boreale (Bong.) Tolm.%Equisetum arvense subsp. boreale (Bong.) Tolm.%Equisetum arvense subsp. boreale%Equisetum arvense subsp. boreale%Flora Arct. URSS 1: 46. 1960 %Flora Arct. URSS%%1: 46%1960%1960%%1960%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92889-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%caespitosum%f.%J.Rousseau%%%J.Rousseau%%Equisetum arvense f. caespitosum J.Rousseau%Equisetum arvense f. caespitosum J.Rousseau%Equisetum arvense f. caespitosum%Equisetum arvense f. caespitosum%Bull. Natl. Mus. Canada no. 66 (Ser. Biol. no. 17): 5. 1931 %Bull. Natl. Mus. Canada%%no. 66 (Ser. Biol. no. 17): 5%1931%1931%%1931%%%%%%%%%%%%%%%%Quebec (Canada)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60454473-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%campestre%var.%(Fr.) Milde%(Fr.)%%Milde%%Equisetum arvense var. campestre (Fr.) Milde%Equisetum arvense var. campestre (Fr.) Milde%Equisetum arvense var. campestre%Equisetum arvense var. campestre%Monogr. Equiset. 1867. [Jan-May 1867] %Monogr. Equiset.%%1867%1867%1867%Jan-May 1867%1867%%%%%%%%%%Equisetum campestre%%%%%%%comb. et stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1095877-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%campestre nudum%var.%Milde%%%Milde%%Equisetum arvense var. campestre nudum Milde%Equisetum arvense var. campestre nudum Milde%Equisetum arvense var. campestre nudum%Equisetum arvense var. campestre nudum% %%%%%%%%%%%%%%%%%%%%%%%%unknown%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92890-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%decumbens%f.%(G.Mey.) W.D.J.Koch%(G.Mey.)%%W.D.J.Koch%%Equisetum arvense f. decumbens (G.Mey.) W.D.J.Koch%Equisetum arvense f. decumbens (G.Mey.) W.D.J.Koch%Equisetum arvense f. decumbens%Equisetum arvense f. decumbens%Syn. Fl. Germ. Helv., ed. 2 964. 1845 %Syn. Fl. Germ. Helv., ed. 2%%964%1845%1845%%1845%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92891-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%decumbens%subvar.%G.Mey.%%%G.Mey.%%Equisetum arvense subvar. decumbens G.Mey.%Equisetum arvense subvar. decumbens G.Mey.%Equisetum arvense subvar. decumbens%Equisetum arvense subvar. decumbens%Chloris Han. 667. 1836 [Jul-Aug 1836] %Chloris Han.%%667%1836%1836%Jul-Aug 1836%1836%%%%%%%%%%%%%%%%Germany & [North America]%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92892-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%decumbens%var.%(G.Mey.) Milde%(G.Mey.)%%Milde%%Equisetum arvense var. decumbens (G.Mey.) Milde%Equisetum arvense var. decumbens (G.Mey.) Milde%Equisetum arvense var. decumbens%Equisetum arvense var. decumbens%Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 26: 421. 1859 [1858 publ. 1859] ; Gefäss-Cryptog. Schlesien.%Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur.%%26: 421%1859%1859%1858 publ. 1859%1859%%%%%%Gefäss-Cryptog. Schlesien.%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60474154-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%diffusum%subsp.%(D.Don) Fraser-Jenk.%(D.Don)%%Fraser-Jenk.%%Equisetum arvense subsp. diffusum (D.Don) Fraser-Jenk.%Equisetum arvense subsp. diffusum (D.Don) Fraser-Jenk.%Equisetum arvense subsp. diffusum%Equisetum arvense subsp. diffusum%Ferns Fern-Allies Nepal 1: 87. 2015 [12 Apr 2015] %Ferns Fern-Allies Nepal%%1: 87%2015%2015%12 Apr 2015%2015%%%%%%%%%%Equisetaceae Equisetum diffusum D.Don%%%%%%%comb. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92893-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%diffusum%f.%Clute%%%Clute%%Equisetum arvense f. diffusum Clute%Equisetum arvense f. diffusum Clute%Equisetum arvense f. diffusum%Equisetum arvense f. diffusum%Fern Allies 47, 256. 1905 %Fern Allies%%47, 256%1905%1905%%1905%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92894-2%1.4.2.1.1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%diffusum%var.%A.A.Eaton in Gilbert%%%A.A.Eaton in Gilbert%%Equisetum arvense var. diffusum A.A.Eaton in Gilbert%Equisetum arvense var. diffusum A.A.Eaton in Gilbert%Equisetum arvense var. diffusum%Equisetum arvense var. diffusum%Working List N. Amer. Pterid. 8, 25. 1901 %Working List N. Amer. Pterid.%%8, 25%1901%1901%%1901%%%%%%%%%%%%%%%%Massachusetts, New Hampshire, Missouri, British Columbia, Alaska%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77301821-1%1.1%Equisetaceae%%N%Equisetum%%N%arvense%L.%erectum%var.%Opiz%%%Opiz%%Equisetum arvense var. erectum Opiz%Equisetum arvense var. erectum Opiz%Equisetum arvense var. erectum%Equisetum arvense var. erectum%Kratos 1(4): 10. 1819 %Kratos%%1(4): 10%1819%1819%%1819%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60476578-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%frondescens%f.%Döll%%%Döll%%Equisetum arvense f. frondescens Döll%Equisetum arvense f. frondescens Döll%Equisetum arvense f. frondescens%Equisetum arvense f. frondescens%Fl. Baden [Doell] 1(1): 58. 1855 [Mar-Jun 1855] %Fl. Baden [Doell]%%1(1): 58%1855%1855%Mar-Jun 1855%1855%%%%%%%%%%%%%%%%Germany (Middle Europe, Europe)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92895-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%granulatum%var.%G.Lawson%%%G.Lawson%%Equisetum arvense var. granulatum G.Lawson%Equisetum arvense var. granulatum G.Lawson%Equisetum arvense var. granulatum%Equisetum arvense var. granulatum%Trans. Bot. Soc. Edinburgh 7: 561. 1863 %Trans. Bot. Soc. Edinburgh%%7: 561%1863%1863%%1863%%%%%%%%%%%%%%%%Ontario (Eastern Canada, Northern America)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
294384-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%macrostachya%f.%A.A.Eaton%%%A.A.Eaton%%Equisetum arvense f. macrostachya A.A.Eaton%Equisetum arvense f. macrostachya A.A.Eaton%Equisetum arvense f. macrostachya%Equisetum arvense f. macrostachya%Fern Bull. 7: 87. 1899 %Fern Bull.%%7: 87%1899%1899%%1899%%%%%%%%%%%%%%%%North America%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
294383-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%%microstachya%f.%A.A.Eaton%%%A.A.Eaton%%Equisetum arvense f. microstachya A.A.Eaton%Equisetum arvense f. microstachya A.A.Eaton%Equisetum arvense f. microstachya%Equisetum arvense f. microstachya%Fern Bull. 7: 87. 1899 %Fern Bull.%%7: 87%1899%1899%%1899%%%%%%%%%%%%%%%%North America%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92896-2%1.4.2.1.1.1%Equisetaceae%%N%Equisetum%%N%arvense%L.%nanum%f.%M.Broun%%%M.Broun%%Equisetum arvense f. nanum M.Broun%Equisetum arvense f. nanum M.Broun%Equisetum arvense f. nanum%Equisetum arvense f. nanum%Index No. Amer. Ferns 85. 1938 %Index No. Amer. Ferns%%85%1938%1938%%1938%%%%%%%isonym%Döll validly published the name Equisetum arvense f. nanum; Broun mistook the rank of the preceding name as variety and republished the same name at the rank of forma and thus created an isonym%%%%%%%%%unknown%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92897-2%1.4.2.2.1.1%Equisetaceae%%N%Equisetum%%N%arvense%L.%nanum%f.%A.Braun ex Döll%%%A.Braun ex Döll%%Equisetum arvense f. nanum A.Braun ex Döll%Equisetum arvense f. nanum A.Braun ex Döll%Equisetum arvense f. nanum%Equisetum arvense f. nanum%Fl. Baden [Doell] 1(1): 59. 1855 [Mar-Jun 1855] , adnot.%Fl. Baden [Doell]%%1(1): 59%1855%1855%Mar-Jun 1855%1855%%%%%%adnot.%%%%%%%%%%Germany (Middle Europe, Europe)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92898-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%%nemorosum%f.%A.Braun ex Döll%%%A.Braun ex Döll%%Equisetum arvense f. nemorosum A.Braun ex Döll%Equisetum arvense f. nemorosum A.Braun ex Döll%Equisetum arvense f. nemorosum%Equisetum arvense f. nemorosum%Rhein. Fl. 27. 1843 %Rhein. Fl.%%27%1843%1843%%1843%%%%%%%%%%%%%%%%Germany & [North America]%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92899-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%nemorosum%var.%A.Braun ex Engelm.%%%A.Braun ex Engelm.%%Equisetum arvense var. nemorosum A.Braun ex Engelm.%Equisetum arvense var. nemorosum A.Braun ex Engelm.%Equisetum arvense var. nemorosum%Equisetum arvense var. nemorosum%Amer. J. Sci. Arts 46: 83. 1844 %Amer. J. Sci. Arts%%46: 83%1844%1844%%1844%%%%%%%%%%%%%%%%Missouri, Kentucky & Germany%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92900-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%nudum%var.%Farw.%%%Farw.%%Equisetum arvense var. nudum Farw.%Equisetum arvense var. nudum Farw.%Equisetum arvense var. nudum%Equisetum arvense var. nudum%Rep. (Annual) Michigan Acad. Sci. 6: 209. 1904 %Rep. (Annual) Michigan Acad. Sci.%%6: 209%1904%1904%%1904%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92901-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%polystachyon%f.%(A.A.Eaton) M.Broun%(A.A.Eaton)%%M.Broun%%Equisetum arvense f. polystachyon (A.A.Eaton) M.Broun%Equisetum arvense f. polystachyon (A.A.Eaton) M.Broun%Equisetum arvense f. polystachyon%Equisetum arvense f. polystachyon%Index No. Amer. Ferns 85. 1938 %Index No. Amer. Ferns%%85%1938%1938%%1938%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92902-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%polystachyon%var.%A.A.Eaton%%%A.A.Eaton%%Equisetum arvense var. polystachyon A.A.Eaton%Equisetum arvense var. polystachyon A.A.Eaton%Equisetum arvense var. polystachyon%Equisetum arvense var. polystachyon%Fern Bull. 7: 88. 1899 %Fern Bull.%%7: 88%1899%1899%%1899%%%%%%%%%%%%%%%%Massachusetts (Northeastern U.S.A., Northern America)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92903-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%proliferum%monstr.%Luerss.%%%Luerss.%%Equisetum arvense monstr. proliferum Luerss.%Equisetum arvense monstr. proliferum Luerss.%Equisetum arvense monstr. proliferum%Equisetum arvense monstr. proliferum%Rabenh. Krypt.-Fl., ed. 2 3(11): 701. 1888 [Apr 1888] ; ='Die Farnpflanzen'%Rabenh. Krypt.-Fl., ed. 2%%3(11): 701%1888%1888%Apr 1888%1888%%%%%%='Die Farnpflanzen'%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92904-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%proliferum%f.%(Luerss.) M.Broun%(Luerss.)%%M.Broun%%Equisetum arvense f. proliferum (Luerss.) M.Broun%Equisetum arvense f. proliferum (Luerss.) M.Broun%Equisetum arvense f. proliferum%Equisetum arvense f. proliferum%Index No. Amer. Ferns 85. 1938 %Index No. Amer. Ferns%%85%1938%1938%%1938%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92905-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%proliferum%var.%(Luerss.) Farw.%(Luerss.)%%Farw.%%Equisetum arvense var. proliferum (Luerss.) Farw.%Equisetum arvense var. proliferum (Luerss.) Farw.%Equisetum arvense var. proliferum%Equisetum arvense var. proliferum%Amer. Fern J. 27: 16. 1937 %Amer. Fern J.%%27: 16%1937%1937%%1937%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77301823-1%1.1%Equisetaceae%%N%Equisetum%%N%arvense%L.%prostratum%var.%Opiz%%%Opiz%%Equisetum arvense var. prostratum Opiz%Equisetum arvense var. prostratum Opiz%Equisetum arvense var. prostratum%Equisetum arvense var. prostratum%Kratos 1(4): 11. 1819 %Kratos%%1(4): 11%1819%1819%%1819%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
294387-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%pseudoalpestre%f.%Vict.%%%Vict.%%Equisetum arvense f. pseudoalpestre Vict.%Equisetum arvense f. pseudoalpestre Vict.%Equisetum arvense f. pseudoalpestre%Equisetum arvense f. pseudoalpestre%Contr. Lab. Bot. Univ. Montréal 9: 36, f.5; 116. 1927 %Contr. Lab. Bot. Univ. Montréal%%9: 36, f.5; 116%1927%1927%%1927%%%%%%%%%%%%%%%%Quebec, Greenland%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
294386-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%pseudonemorosum%f.%B.Boivin%%%B.Boivin%%Equisetum arvense f. pseudonemorosum B.Boivin%Equisetum arvense f. pseudonemorosum B.Boivin%Equisetum arvense f. pseudonemorosum%Equisetum arvense f. pseudonemorosum%Canad. Field-Naturalist 65: 18. 1951 %Canad. Field-Naturalist%%65: 18%1951%1951%%1951%%%%%%%%%%%%%%%%Saskatchewan, Alberta, & British Columbia, Canada%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
294385-2%1.5%Equisetaceae%%N%Equisetum%%N%arvense%L.%pseudovarium%f.%Vict.%%%Vict.%%Equisetum arvense f. pseudovarium Vict.%Equisetum arvense f. pseudovarium Vict.%Equisetum arvense f. pseudovarium%Equisetum arvense f. pseudovarium%Contr. Lab. Bot. Univ. Montréal 9: 37, 116. 1927 %Contr. Lab. Bot. Univ. Montréal%%9: 37, 116%1927%1927%%1927%%%%%%%%%%%%%%%%Quebec, Europe%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92906-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%L.%ramulosum%f.%(Rupr.) Klinge%(Rupr.)%%Klinge%%Equisetum arvense f. ramulosum (Rupr.) Klinge%Equisetum arvense f. ramulosum (Rupr.) Klinge%Equisetum arvense f. ramulosum%Equisetum arvense f. ramulosum%Arch. Naturk. Liv- Ehst- Kurlands, Ser. 2, Biol. Naturk. 8: 369. 1882 %Arch. Naturk. Liv- Ehst- Kurlands, Ser. 2, Biol. Naturk.%%8: 369%1882%1882%%1882%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92907-2%1.4%Equisetaceae%%N%Equisetum%%N%arvense%%ramulosum%subsp.%(Rupr.) W.F.Rapp%(Rupr.)%%W.F.Rapp%%Equisetum arvense subsp. ramulosum (Rupr.) W.F.Rapp%Equisetum arvense subsp. ramulosum (Rupr.) W.F.Rapp%Equisetum arvense subsp. ramulosum%Equisetum arvense subsp. ramulosum%Amer. Fern J. 37: 21. 1947 %Amer. Fern J.%%37: 21%1947%1947%%1947%%%%%%%%%%%%%%%%%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92908-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%%ramulosum%var.%Rupr.%%%Rupr.%%Equisetum arvense var. ramulosum Rupr.%Equisetum arvense var. ramulosum Rupr.%Equisetum arvense var. ramulosum%Equisetum arvense var. ramulosum%Beitr. Pflanzenk. Russ. Reiches 3: 19. 1845 %Beitr. Pflanzenk. Russ. Reiches%%3: 19%1845%1845%%1845%%%%%%%%%%%%%%%%Russia & North America%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60454470-2%1.2%Equisetaceae%%N%Equisetum%%N%arvense%L.%riparium%var.%(Fr.) Milde%(Fr.)%%Milde%%Equisetum arvense var. riparium (Fr.) Milde%Equisetum arvense var. riparium (Fr.) Milde%Equisetum arvense var. riparium%Equisetum arvense var. riparium%Monogr. Equiset. 223. 1867 [Jan-May 1867] %Monogr. Equiset.%%223%1867%1867%Jan-May 1867%1867%%%%%%%%%%Equisetaceae Equisetum riparium Fr.%%%%%%%comb. et stat. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92909-2%1.3%Equisetaceae%%N%Equisetum%%N%arvense%L.%triangulare%var.%Waters%%%Waters%%Equisetum arvense var. triangulare Waters%Equisetum arvense var. triangulare Waters%Equisetum arvense var. triangulare%Equisetum arvense var. triangulare%Johns Hopkins Univ. Circ. 14: 25. 1895 %Johns Hopkins Univ. Circ.%%14: 25%1895%1895%%1895%%%%%%%%%%%%%%%%Maryland (Southeastern U.S.A., Northern America)%tax. nov.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%