Id%Version%Family%Infra family%Hybrid genus%Genus%Infra genus%Rank%Authors%Basionym author%Publishing author%Full name without family and authors%Publication%Collation%Publication year full%Name status%Remarks%Basionym%Replaced synonym%Nomenclatural synonym%Distribution%Citation type 10660-1%1.3%Asteraceae%%N%Porophyllum%%gen.%Adans.%%Adans.%Porophyllum%Fam. Pl. (Adanson)%2: 122%1763%%%%%%%unknown 325991-2%1.3%Asteraceae%%N%Porophyllum%%gen.%Guett.%%Guett.%Porophyllum%Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4°)%1750: 377%1754%%%%%%%tax. nov. 239291-1%1.1.2.1.1.4%Asteraceae%%N%Porophyllum%%spec.%Engelm. ex A.Gray%%Engelm. ex A.Gray%Porophyllum amplexicaule%Smithsonian Contr. Knowl.%3(5): 120%1852%%%%%%%unknown 239292-1%1.6%Asteraceae%%N%Porophyllum%%spec.%Gardner%%Gardner%Porophyllum angustissimum%London J. Bot.%7: 410%1848%%%%%%%unknown 239293-1%1.1.2.1.1.9%Asteraceae%%N%Porophyllum%%spec.%Sch.Bip. ex Baker%%Sch.Bip. ex Baker%Porophyllum arenosum%Fl. Bras. (Martius)%6(3): 285%1884%%%%%%%unknown 283619-2%1.4%Asteraceae%%N%Porophyllum%%spec.%V.M.Badillo%%V.M.Badillo%Porophyllum aridicola%Ernstia%no. 3: 10 (-12), fig%1981%%%%%%Venezuela (Northern South America, Southern America)%tax. nov. 325992-2%1.6%Asteraceae%%N%Porophyllum%%spec.%D.J.N.Hind%%D.J.N.Hind%Porophyllum bahiense%Kew Bull.%57(3): 706 (705-709; fig. 1)%2002%%%%%%Mun. Ibiquarra [= Ibicoara]: 25 km ao N de Barra da Estiva na estrada nova para Mucuge, 13°25'S, 41°18'W, 1100-1200 m, Bahia (Brazil, Southern America)%tax. nov. 208385-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob.%%B.L.Rob.%Porophyllum brachypodum%Proc. Amer. Acad. Arts%35: 341%1900%%%%%%Mexico (Northern America)%tax. nov. 208386-2%1.4.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%(Gillies & D.Don ex Hook. & Arn.) Malme%(Gillies & D.Don ex Hook. & Arn.)%Malme%Porophyllum brevifolium%Kongl. Svenska Vetensk.-Akad. Handl.%32(5): 70%1899%%%Asteraceae Kleinia brevifolia Gillies & D.Don ex Hook. & Arn.%%%%comb. nov. 1015771-1%1.2.1.5%Asteraceae%%N%Porophyllum%%spec.%D.J.N.Hind%%D.J.N.Hind%Porophyllum cabrerae%Kew Bull.%55(2): 388%2000%%%%%%Argentina Northwest (Salta).%tax. nov. 320547-2%1.4.1.2%Asteraceae%%N%Porophyllum%%spec.%D.J.N.Hind%%D.J.N.Hind%Porophyllum cabrerae%Kew Bull.%55(2): 388 (387-391; fig. 1)%2000%%[Gandhi 15 Nov 2000]%%%%Cachí, Bajada de Tin-Tin, Salta (Argentina)%tax. nov. 239296-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum cacalioides%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 208387-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greene%%Greene%Porophyllum caesium%Leafl. Bot. Observ. Crit.%2: 155%1911%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov. 239297-1%1.3.1.2%Asteraceae%%N%Porophyllum%%spec.%Casar.%%Casar.%Porophyllum caesium%Nov. Stirp. Bras.%86%%%%%%%%unknown 208388-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob. & Greenm.%%B.L.Rob. & Greenm.%Porophyllum calcicola%Proc. Amer. Acad. Arts%39: 116%1903%%%%%%Mexico (Northern America)%tax. nov. 208389-2%1.7%Asteraceae%%N%Porophyllum%%spec.%Rose & Standl.%%Rose & Standl.%Porophyllum cedrense%N. Amer. Fl.%34(3): 189%1916%%%%%%Lower California, Mexico (Northern America)%tax. nov. 239301-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum coloratum%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 208391-2%1.3.1.2%Asteraceae%%N%Porophyllum%%var.%(DC.) McVaugh%(DC.)%McVaugh%Porophyllum coloratum var. obtusifolium%Contr. Univ. Michigan Herb.%9: 442%1972%%%%%%%tax. nov. 208390-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greene%%Greene%Porophyllum confertum%Leafl. Bot. Observ. Crit.%2: 155%1911%%%%%%Lower California, Mexico (Northern America)%tax. nov. 208392-2%1.4%Asteraceae%%N%Porophyllum%%var.%I.M.Johnst.%%I.M.Johnst.%Porophyllum confertum var. ochroleucum%Proc. Calif. Acad. Sci.%ser. 4, 12: 1209%1924%%%%%%%tax. nov. 208393-2%1.3%Asteraceae%%N%Porophyllum%%spec.%S.Watson%%S.Watson%Porophyllum crassifolium%Proc. Amer. Acad. Arts%24: 57%1889%%%%%%Carmen Island, Mexico (Northern America)%tax. nov. 208394-2%1.4%Asteraceae%%N%Porophyllum%%spec.%Malme%%Malme%Porophyllum curticeps%Ark. Bot.%24A(Hafte 3)6: 74, fig. 6%1931%%%%%%Rio Grande do Sul (Brazil, Southern America)%tax. nov. 239305-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum cusimbua%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 239306-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum decumbens%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 208395-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum divaricatum%N. Amer. Fl.%34(3): 186%1916%%%%%%Mexico (Northern America)%tax. nov. 1133163-2%1.1.1.3%Asteraceae%%N%Porophyllum%%spec.%Cass.%%Cass.%Porophyllum ellipticum%Dict. Sci. Nat., ed. 2. [F. Cuvier]%43: 56%1826%%%%%%%unknown 208396-2%1.2.2.1.1.2%Asteraceae%%N%Porophyllum%%var.%Urb.%%Urb.%Porophyllum ellipticum var. genuinum%Symb. Antill. (Urban).%1(3): 467%1899%%%%%%Tropical America%tax. nov. 208397-2%1.3.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%DC.%%DC.%Porophyllum ellipticum var. intermedium%Prodr. [A. P. de Candolle]%5: 648%1836%%%%%%Bahia & Rio de Janeiro, Brazil (Southern America)%tax. nov. 208398-2%1.2.2.1.1.2%Asteraceae%%N%Porophyllum%%var.%Urb.%%Urb.%Porophyllum ellipticum var. ruderale%Symb. Antill. (Urban).%1(3): 468%1899%%%%%%West Indies%tax. nov. 208399-2%1.5%Asteraceae%%N%Porophyllum%%spec.%M.Gómez & Molinet%%M.Gómez & Molinet%Porophyllum equisetiforme%Anales Soc. Esp. Hist. Nat.%19: 277%1890%%%%%%%tax. nov. 208400-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Cabrera%%Cabrera%Porophyllum eremophilum%Darwiniana%9: 45, fig. 3%1949%%%%%%Jujuy (Argentina)%tax. nov. 239310-1%1.5%Asteraceae%%N%Porophyllum%%spec.%A.Gray%%A.Gray%Porophyllum ervendbergii%Proc. Amer. Acad. Arts%19: 35%1883%%%%%%%unknown 239311-1%1.9%Asteraceae%%N%Porophyllum%%spec.%Baker%%Baker%Porophyllum exsertum%Fl. Bras. (Martius)%6(3): 284%1884%%%%%%%unknown 239312-1%1.6%Asteraceae%%N%Porophyllum%%spec.%A.Gray ex S.Watson%%A.Gray ex S.Watson%Porophyllum filifolium%Proc. Amer. Acad. Arts%18: 107%1883%%%%%%%unknown 239313-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum filifolium%Prodr. [A. P. de Candolle]%5: 651%1836%%%%%%%unknown 291720-2%1.2.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%A.Gray%%A.Gray%Porophyllum filifolium%Proc. Amer. Acad. Arts%19: 35%1883%nom. illeg. later homonym non (Spreng.) DC. (1836).%%%%%Coahuila (Mexico, Northern America)%tax. nov. 208402-2%1.2.2.1.1.4%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum filiforme%N. Amer. Fl.%34(3): 190%1916%%%%%%%nom. nov. 208401-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum fruticulosum%N. Amer. Fl.%34(3): 193%1916%%%%%%Mexico (Northern America)%tax. nov. 239316-1%1.5%Asteraceae%%N%Porophyllum%%spec.%Benth.%%Benth.%Porophyllum gracile%Bot. Voy. Sulphur [Bentham]%29%1844%%%%%%%unknown 239317-1%1.4%Asteraceae%%N%Porophyllum%%spec.%A.Gray%%A.Gray%Porophyllum greggii%Smithsonian Contr. Knowl.%3(5): 120%1852%%%%%%%unknown 208403-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum guatemalense%N. Amer. Fl.%34(3): 190%1916%%%%%%Guatemala (Central America, Southern America)%tax. nov. 239319-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum haenkei%Prodr. [A. P. de Candolle]%5: 649%1836%%%%%%%unknown 208404-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%Chodat%%Chodat%Porophyllum hasslerianum%Bull. Herb. Boissier%ser. 2, 3: 730%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 239321-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum hieracioides%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 208405-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greenm.%%Greenm.%Porophyllum holwayanum%Proc. Amer. Acad. Arts%40: 48%1904%%%%%%Mexico (Northern America)%tax. nov. 77336257-1%1.1%Asteraceae%%N%Porophyllum%%spec.%Anzuinelli & Adr.Bartoli%%Anzuinelli & Adr.Bartoli%Porophyllum iruyense%Phytotaxa%636(3): 239%2024%%doi:10.11646/phytotaxa.636.3.4%%%%Salta (Argentina Northwest, Southern South America, Southern America)%tax. nov. 239323-1%1.7%Asteraceae%%N%Porophyllum%%spec.%(Thunb.) DC.%(Thunb.)%DC.%Porophyllum japonicum%Prodr. [A. P. de Candolle]%5: 650%1836%%%Asteraceae Senecio japonicus Thunb.%%%%comb. nov. 239324-1%1.2.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%Cass.%%Cass.%Porophyllum jorullense%Dict. Sci. Nat., ed. 2. [F. Cuvier]%43: 57%1826%%%%%%%unknown 208406-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greene%%Greene%Porophyllum junciforme%Leafl. Bot. Observ. Crit.%2: 154%1911%%%%%%Arizona (Southwestern U.S.A., Northern America)%tax. nov. 208407-2%1.2.2.1.1.3%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum lanceolatum%Prodr. [A. P. de Candolle]%5: 649%1836%%%%%%Brazil (Southern America)%tax. nov. 208408-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum lanceolatum var. angustius%Bull. Herb. Boissier%ser. 2, 3: 729%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208409-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum lanceolatum var. corymbosum%Bull. Herb. Boissier%ser. 2, 3: 730%1903%%%%%%%tax. nov. 208410-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%f.%Chodat%%Chodat%Porophyllum lanceolatum f. depauperata%Bull. Herb. Boissier%ser. 2, 3: 730%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208411-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%f.%Chodat%%Chodat%Porophyllum lanceolatum f. foetens%Bull. Herb. Boissier%ser. 2, 3: 729%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208412-2%1.4%Asteraceae%%N%Porophyllum%%var.%Hassl.%%Hassl.%Porophyllum lanceolatum var. genuinum%Repert. Spec. Nov. Regni Veg.%16: 28%1919%%%%%%%tax. nov. 208413-2%1.4%Asteraceae%%N%Porophyllum%%var.%Hassl.%%Hassl.%Porophyllum lanceolatum var. glaucum%Repert. Spec. Nov. Regni Veg.%16: 29%1919%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208414-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum lanceolatum var. induratum%Bull. Herb. Boissier%ser. 2, 3: 730%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208415-2%1.2.2.1.1.2%Asteraceae%%N%Porophyllum%%var.%Hassl.%%Hassl.%Porophyllum lanceolatum var. lineare%Repert. Spec. Nov. Regni Veg.%16: 29%1919%%%%%%%tax. nov. 239327-1%1.4%Asteraceae%%N%Porophyllum%%spec.%Benth.%%Benth.%Porophyllum latifolium%J. Bot. (Hooker)%2: 44%1840%%%%%%%unknown 208416-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum leiocarpum%N. Amer. Fl.%34(3): 184%1916%%%%%%%tax. nov. 208417-2%1.4%Asteraceae%%N%Porophyllum%%spec.%I.M.Johnst.%%I.M.Johnst.%Porophyllum leptophyllum%Proc. Calif. Acad. Sci.%ser. 4, 12: 1210%1924%%%%%%Lower California, Mexico (Northern America)%tax. nov. 208418-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greene%%Greene%Porophyllum leucospermum%Leafl. Bot. Observ. Crit.%2: 155%1911%%%%%%Nevada (Southwestern U.S.A., Northern America)%tax. nov. 30183731-2%1.1.2.1.1.3%Asteraceae%%N%Porophyllum%%spec.%(Cav.) DC.%(Cav.)%DC.%Porophyllum linaria%Prodr. [A. P. de Candolle]%5: 649%1836%%%Asteraceae Cacalia linaria Cav.%%%%comb. nov. 239333-1%1.5%Asteraceae%%N%Porophyllum%%spec.%St.-Lag.%%St.-Lag.%Porophyllum linarifolium%Ann. Soc. Bot. Lyon%8: 203%1881%%%%%%%unknown 239332-1%1.6%Asteraceae%%N%Porophyllum%%spec.%St.-Lag.%%St.-Lag.%Porophyllum linariifolium%Ann. Soc. Bot. Lyon%7: 132%1880%%%%%%%unknown 239334-1%1.4%Asteraceae%%N%Porophyllum%%spec.%Sch.Bip.%%Sch.Bip.%Porophyllum lindenii%Bot. Voy. Herald [Seemann]%7-8: 308%1856%%%%%%%unknown 239335-1%1.7%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum lineare%Prodr. [A. P. de Candolle]%5: 649%1836%%%%%%%unknown 239336-1%1.1.2.1.1.9%Asteraceae%%N%Porophyllum%%spec.%Sch.Bip. ex Baker%%Sch.Bip. ex Baker%Porophyllum lineare%Fl. Bras. (Martius)%6(3): 284%1884%%%%%%%unknown 208420-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum lineare var. corymbosum%Bull. Herb. Boissier%ser. 2, 2: 397%1902%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208421-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%f.%Chodat%%Chodat%Porophyllum lineare f. latifolia%Bull. Herb. Boissier%ser. 2, 2: 397%1902%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 30365603-2%1.1.2.1.1.4%Asteraceae%%N%Porophyllum%%spec.%(Ard.) DC.%(Ard.)%DC.%Porophyllum linifolium%Prodr. [A. P. de Candolle]%5: 649%1836%%Note: Indirect reference to basionym.%Asteraceae Cacalia linifolia Ard.%%%%comb. nov. 208422-2%1.5.2.2.1.2%Asteraceae%%N%Porophyllum%%var.%(Gillies & D.Don ex Hook. & Arn.) Baker%(Gillies & D.Don ex Hook. & Arn.)%Baker%Porophyllum linifolium var. brevifolium%Fl. Bras. (Martius)%6(3): 283%1884%%%Asteraceae Kleinia brevifolia Gillies & D.Don ex Hook. & Arn.%%%%comb. et stat. nov. 208423-2%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum macrocephalum%Prodr. [A. P. de Candolle]%5: 648%1836%%%%%%x, Galapagos Islands (Ecuador, Western South America, Southern America)%tax. nov. 208424-2%1.4%Asteraceae%%N%Porophyllum%%var.%Urb.%%Urb.%Porophyllum macrocephalum var. leiocarpum%Symb. Antill. (Urban).%1(3): 466%1899%%%%%%Puerto Rico (Caribbean, Southern America)%tax. nov. 208425-2%1.4%Asteraceae%%N%Porophyllum%%spec.%Malme%%Malme%Porophyllum macrolepideum%Kongl. Svenska Vetensk.-Akad. Handl.%32(5): 69%1899%%%%%%Brazil (Southern America)%tax. nov. 1219455-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Malme%%Malme%Porophyllum macrolepidium%%%%%%%%%%unknown 208426-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Brandegee%%Brandegee%Porophyllum maritimum%Zoe%5: 162%1903%%%%%%Lower California, Mexico (Northern America)%tax. nov. 239341-1%1.9%Asteraceae%%N%Porophyllum%%spec.%Baker%%Baker%Porophyllum martii%Fl. Bras. (Martius)%6(3): 284%1884%%%%%%%unknown 208427-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob.%%B.L.Rob.%Porophyllum millspaughii%Publ. Field Columb. Mus., Bot. Ser.%2: 109%1900%%%%%%x, Yucatán (Mexico, Northern America)%tax. nov. 208428-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob. & Greenm.%%B.L.Rob. & Greenm.%Porophyllum nelsonii%Proc. Amer. Acad. Arts%32: 32%1896%%%%%%Mexico (Northern America)%tax. nov. 315645-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%M.E.Jones%%M.E.Jones%Porophyllum nodosum%Contr. W. Bot.%18: 82%1933%%[Gandhi 19 May 1998]%%%%La Paz, Baja California Sur (Mexico, Northern America)%tax. nov. 239345-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum nummularium%Prodr. [A. P. de Candolle]%5: 649%1836%%%%%%%unknown 208429-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob. & Greenm.%%B.L.Rob. & Greenm.%Porophyllum nutans%Proc. Amer. Acad. Arts%32: 31%1896%%%%%%Mexico (Northern America)%tax. nov. 208430-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Rusby%%Rusby%Porophyllum oblanceolatum%Mem. Torrey Bot. Club%6: 64%1896%%%%%%Bolivia (Western South America, Southern America)%tax. nov. 208431-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum oblongum%N. Amer. Fl.%34(3): 186%1916%%%%%%Mexico (Northern America)%tax. nov. 239349-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum obscurum%Prodr. [A. P. de Candolle]%5: 651%1836%%%%%%%unknown 208432-2%1.5%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum obtusifolium%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%Mexico (Northern America)%tax. nov. 208433-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum ochroleucum%N. Amer. Fl.%34(3): 189%1916%%%%%%Lower California, Mexico (Northern America)%tax. nov. 208434-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Kuntze%%Kuntze%Porophyllum oppositifolium%Revis. Gen. Pl.%3[3]: 168%1898%%%%%%Mato Grosso (Brazil, Southern America)%tax. nov. 239352-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum oppositifolium%Prodr. [A. P. de Candolle]%5: 651%1836%%%%%%%unknown 208435-2%1.4%Asteraceae%%N%Porophyllum%%spec.%Rose%%Rose%Porophyllum palmeri%Contr. U.S. Natl. Herb.%1: 338, pl. 34%1895%%%%%%Mexico (Northern America)%tax. nov. 208436-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob. & Greenm.%%B.L.Rob. & Greenm.%Porophyllum pausodynum%Proc. Amer. Acad. Arts%32: 32%1896%%%%%%Mexico (Northern America)%tax. nov. 208437-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum pinifolium%N. Amer. Fl.%34(3): 192%1916%%%%%%Lower California, Mexico (Northern America)%tax. nov. 208438-2%1.6%Asteraceae%%N%Porophyllum%%spec.%Rydb.%%Rydb.%Porophyllum pittieri%N. Amer. Fl.%34(3): 188%1916%%%%%%Guatemala (Central America, Southern America)%tax. nov. 208439-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%Chodat%%Chodat%Porophyllum platyphyllum%Bull. Herb. Boissier%ser. 2, 2: 397%1902%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 208440-2%1.7%Asteraceae%%N%Porophyllum%%spec.%Rose & Standl.%%Rose & Standl.%Porophyllum porfyreum%N. Amer. Fl.%34(3): 191%1916%%%%%%Lower California, Mexico (Northern America)%tax. nov. 208441-2%1.6%Asteraceae%%N%Porophyllum%%spec.%(L.) Kuntze%(L.)%Kuntze%Porophyllum porophyllum%Revis. Gen. Pl.%3[3]: 168%1898%%Tautonym (invalid)%%%%%tax. nov. 239361-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum prenanthoides%Prodr. [A. P. de Candolle]%5: 649%1836%%%%%%%unknown 208442-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%spec.%B.L.Rob.%%B.L.Rob.%Porophyllum pringlei%Proc. Amer. Acad. Arts%27: 178%1892%%%%%%Mexico (Northern America)%tax. nov. 208443-2%1.3%Asteraceae%%N%Porophyllum%%spec.%S.F.Blake%%S.F.Blake%Porophyllum punctatum%Contr. Gray Herb.%52: 58%1917%%%%%%%tax. nov. 315644-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%M.E.Jones%%M.E.Jones%Porophyllum purpureum%Contr. W. Bot.%18: 81%1933%%[Gandhi 19 May 1998]%%%%La Barranca, Guadalajara, Jalisco (Mexico, Northern America)%tax. nov. 208444-2%1.3%Asteraceae%%N%Porophyllum%%spec.%A.Nelson%%A.Nelson%Porophyllum putidum%Amer. J. Bot.%18: 440%1931%%%%%%Arizona (Southwestern U.S.A., Northern America)%tax. nov. 283620-2%1.5%Asteraceae%%N%Porophyllum%%spec.%D.J.Keil & Morefield%%D.J.Keil & Morefield%Porophyllum pygmaeum%Syst. Bot.%14: 583 (-584), fig. 1%1989%%%%%%Desert National Wildlife Range, Clark County (Nevada, Southwestern U.S.A., Northern America)%tax. nov. 208445-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Brandegee%%Brandegee%Porophyllum quinqueflorum%Zoe%5: 225%1905%%%%%%Mexico (Northern America)%tax. nov. 239367-1%1.9%Asteraceae%%N%Porophyllum%%spec.%Baker%%Baker%Porophyllum riedelii%Fl. Bras. (Martius)%6(3): 284%1884%%%%%%%unknown 315643-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%M.E.Jones%%M.E.Jones%Porophyllum rotundifolium%Contr. W. Bot.%18: 81%1933%%[Gandhi 19 May 1998]%%%%Orendain, Baja California Norte (Mexico, Northern America)%tax. nov. 208446-2%1.6%Asteraceae%%N%Porophyllum%%spec.%(Jacq.) Cass.%(Jacq.)%Cass.%Porophyllum ruderale%Dict. Sci. Nat., ed. 2. [F. Cuvier]%43: 56%1826%%%Kleinia ruderale%%%%comb. nov. 208447-2%1.4%Asteraceae%%N%Porophyllum%%spec.%M.Gómez%%M.Gómez%Porophyllum ruderale%Anales Soc. Esp. Hist. Nat.%19: 277%1890%%%%%%%tax. nov. 208448-2%1.3%Asteraceae%%N%Porophyllum%%var.%Hassl.%%Hassl.%Porophyllum ruderale var. angustifolia%Trab. Mus. Farmacol.%21: 131%1909%%%%%%Argentina%tax. nov. 77181480-1%1.1%Asteraceae%%N%Porophyllum%%var.%(Cass.) A.Gray ex B.L.Rob.%(Cass.)%A.Gray ex B.L.Rob.%Porophyllum ruderale var. ellipticum%Proc. Amer. Acad. Arts%49: 509%1913%%%%%%%comb. nov. 208449-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum ruderale var. glandulosum%Bull. Herb. Boissier%ser. 2, 3: 729%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 1008969-2%1.4%Asteraceae%%N%Porophyllum%%subsp.%(DC.) R.R.Johnson%(DC.)%R.R.Johnson%Porophyllum ruderale subsp. macrocephalum%%%%%%%%%%unknown 208450-2%1.4%Asteraceae%%N%Porophyllum%%var.%(DC.) Cronquist%(DC.)%Cronquist%Porophyllum ruderale var. macrocephalum%Madroño%20: 255%1970%%%%%%%tax. nov. 208451-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%var.%Chodat%%Chodat%Porophyllum ruderale var. macrolepidium%Bull. Herb. Boissier%ser. 2, 3: 729%1903%%%%%%%tax. nov. 208452-2%1.1.2.1.1.1%Asteraceae%%N%Porophyllum%%f.%Chodat%%Chodat%Porophyllum ruderale f. suffruticosa%Bull. Herb. Boissier%ser. 2, 3: 729%1903%%%%%%Paraguay (Southern South America, Southern America)%tax. nov. 239370-1%1.4%Asteraceae%%N%Porophyllum%%spec.%A.Gray%%A.Gray%Porophyllum scoparium%Smithsonian Contr. Knowl.%3(5): 119%1852%%%%%%%unknown 239371-1%1.4%Asteraceae%%N%Porophyllum%%spec.%Sch.Bip.%%Sch.Bip.%Porophyllum seemannii%Bot. Voy. Herald [Seemann]%7-8: 308%1856%%%%%%%unknown 239372-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum selloi%Prodr. [A. P. de Candolle]%5: 651%1836%%%%%%%unknown 208453-2%1.1.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%M.E.Jones%%M.E.Jones%Porophyllum simplex%Contr. W. Bot.%12: 46%1908%%%%%%Mexico (Northern America)%tax. nov. 77141815-1%1.3%Asteraceae%%N%Porophyllum%%spec.%C.R.Carneiro & A.A.Schneid.%%C.R.Carneiro & A.A.Schneid.%Porophyllum spathulatum%Phytotaxa%173(2): 157%2014%%doi:10.11646/phytotaxa.173.2.6%%%%Rio Grande do Sul (Brazil South, Brazil, Southern America)%tax. nov. 239374-1%1.2.2.1.1.2%Asteraceae%%N%Porophyllum%%spec.%Cass.%%Cass.%Porophyllum suffruticosum%Dict. Sci. Nat., ed. 2. [F. Cuvier]%43: 57%1826%%%%%%%unknown 239375-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum tagetoides%Prodr. [A. P. de Candolle]%5: 650%1836%%%%%%%unknown 239376-1%1.1.2.2.1.4%Asteraceae%%N%Porophyllum%%spec.%Zoellner%%Zoellner%Porophyllum tarapacanum%Anales Mus. Hist. Nat. Valparaiso%11: 38%1979%%%%%%%unknown 326328-2%1.5%Asteraceae%%N%Porophyllum%%spec.%Benth.%%Benth.%Porophyllum tridentatum%Bot. Voy. Sulphur [Bentham]%30%1844%%%%%%Bay of Magdelena, Mexico (Northern America)%tax. nov. 208454-2%1.4%Asteraceae%%N%Porophyllum%%var.%I.M.Johnst.%%I.M.Johnst.%Porophyllum tridentatum var. crassifolium%Proc. Calif. Acad. Sci.%ser. 4, 12: 1211%1924%%%%%%%tax. nov. 208455-2%1.3%Asteraceae%%N%Porophyllum%%spec.%Greene%%Greene%Porophyllum vaseyi%Leafl. Bot. Observ. Crit.%2: 154%1911%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov. 239379-1%1.6%Asteraceae%%N%Porophyllum%%spec.%DC.%%DC.%Porophyllum viridiflorum%Prodr. [A. P. de Candolle]%5: 648%1836%%%%%%%unknown 208456-2%1.3%Asteraceae%%N%Porophyllum%%spec.%R.R.Johnson%%R.R.Johnson%Porophyllum warnockii%Brittonia%18: 96%1966%%%%%%México (Mexico, Northern America)%tax. nov. 77213113-1%1.2%Asteraceae%%N%Porophyllum%%spec.%D.J.N.Hind%%D.J.N.Hind%Porophyllum woodii%Kew Bull.%75(4)-61: 2%2020%%doi:10.1007/S12225-020-09915-2 The specific epithet honours John R.I.Wood, who valiantly scaled up the steep roadside slope to collect material.%%%%Bolivia (Western South America, Southern America)%tax. nov. 208457-2%1.4%Asteraceae%%N%Porophyllum%%spec.%B.L.Turner%%B.L.Turner%Porophyllum zimapanum%Phytologia%54: 119%1983%%%%%%Hidalgo (Mexico, Northern America)%tax. nov.