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Ageratina Spach, Hist. Nat. Veg. Phan. 10: 286 (1841).

Batschia Moench, Methodus : 567 (1794). Type: Batschia nivea Moench = Ageratina altissima (L.) R. M. King & H. Rob., non Batschia J. F. Gmel., (1791) [BORAGINACEAE]; nec Batschia Mutis ex Thunb., 1792 [MENISPERMACEAE], nec Batschia Vahl, (1794) [LEGUMINOSAE].

Ageratiopsis Sch.Bip. ex Benth. in Benth. & Hook.f., Gen. Pl. 2: 246 (1873), nom. nud. pro syn. Type: Eupatorium ageratoides L.f. = Ageratina altissima (L.) R. M. King & H. Rob.

Mallinoa J. Coulter, Bot. Gaz. 20: 47 (1895). Type: Mallinoa corymbosa J.Coulter = Ageratina muelleri (Sch.Bip. ex Klatt) R. M. King & H. Rob.

Kyrstenia Necker ex E. Greene, Leafl. Bot. Observ. 1: 8 (1903). Lectotype: Eupatorium aromaticum L. = Ageratina aromatica (L.) Spach

Lectotype (selected by King & Robinson, 1970): Eupatorium aromaticum L. = Ageratina aromatica (L.) Spach


King, R. M. & H. Robinson. (1970). Studies in the Eupatorieae (Compositae). XIX. New combinations in Ageratina. Phytologia 19(4): 208229.

King, R. M. & H. Robinson. (1972). Studies in the Eupatorieae (Asteraceae): LXXXV. Additions to the genus Ageratina with a key to the Costa Rican species. Phytologia 24(2): 79104.

Robinson, H. (2006). New species of Ageratina from Andean South America (Eupatorieae: Asteraceae). Phytologia 88(2): 154175.

Turner, B. L. (1997). Eupatorieae. In: Turner, B. L., The Comps of Mexico. A systematic account of the family Asteraceae. Vol. 1. Phytologia Mem. 11: iiv, 1272.

Key to species

Ageratina acevedoi H. Rob., Phytologia 88(2): 171 (2006). Type: BOLIVIA. Cochabamba: Prov. Sacaba, new road from Cochabamba to Santa Cruz, Cruce to Tablas monte, 5 km from Represa de Corani, 2000 m, 25 Jul 1994, P. Acevedo-Rdgz, A. Ferruci & M. Fernandez 6577. Holotype: US. [The following paratype was given, from some distance away: La Paz: Sud Yungas, Pariguaya Plazuela, en el valle seco del ro Chunganayo, 1640S 6729W, 2250 m, 30 Apr 1995, St. Beck 22434:. LPB, US]

Bolivia (Cochabamba, La Paz).

Ageratina azangaroensis (Sch.Bip. ex Wedd.) R. M. King & H. Rob., Phytologia 19(4): 212 (1970).

*Eupatorium azangaroense Sch.Bip. ex Wedd., Chloris Andina 1: 217 (1857). Types: Hab. Caracas: dans la Sierra-Nevada de Santa-Marta!, h. 2600 m. (Funck, exsicc., n. 391). quateur: sur le mont Pichincha!, h. 3000-4200 m. (Jameson, exsicc., ann. 1856, n. 52). - Prou! (F. de Castelnau). Bolivie: province de Carangas! (d-'Orbigny). Syntypes: P.

Eupatorium inconspicuum Sch.Bip., Linnaea 34(5): 535 (Feb. 1866). Type: [Bolivia:]Mandon 260 p.p. Note: Schultz Bipontinus (Feb. 1866) provided a very brief diagnosis after this name, sufficient to validate it. The name as it appeared in Bull. Soc. Bot. France 12: 82 (1865) was nom. nud.

Eupatorium prasiifolium Griseb. var. glanduliferum R. E. Fr., Nova Acta Regiae Soc. Sci. Upsal., ser. 4, 1(1): 76 (1905). Types: [Argentina:] Prov. Jujuy: Yavi in fissuris rupium, ca. 3400 m. s. m. (12 Jan. 1902; Fr. 770 et 770 a, florigera); S:a Catalina, ca. 3650 m. s. m. (7 Jan. 1901; Kurtz 11384, floribus et fructibus instructum). Syntypes: ?S.

Argentina, Bolivia (Chuquisaca, La Paz, Potos), Ecuador, Peru, Venezuela.

Ageratina calderillensis (Hieron.) R. M. King & H. Rob., Phytologia 19(4): 213 (1970).

*Eupatorium calderillense Hieron., Bot. Jahrb. Syst. 40(3): 381 (1908). Type: Bolivia: habitat prope Calderillo, alt. s.m. 3000 m solo humido in collibus (K. Fiebrig n. 3522; 22. m. Martii 1904).'' Holotype: B; isotype: GOET, S.

Bolivia (Tarija).

Ageratina camachensis (Hieron.) R. M. King & H. Rob., Phytologia 19(4): 213 (1970).

*Eupatorium camachense Hieron., Bot. Jahrb. Syst. 40(3): 386 (1908). Type: Bolivia: habitat prope Camacho, alt. s. m. 2500 m in declivibus abruptis riparum fluvii (K. Fiebrig n. 2861; 25. m. Aprili 1904). Holotype: B; isotypes: LD, S, US (01473176).

Bolivia (La Paz).

Ageratina feuereri H. Rob., Phytologia 88(2): 174 (2006). Type: BOLIVIA. La Paz: Prov. Bautista Seavedre, Charazani-Tal, linke Talseite oberhalb der Furt bei Cilij, am Weg Richtung Chullina, Veg.-Aufn 289, 2900 m, 4 Apr 1980, T. Feuerer 4068a. Holotype: US; isotype: LPB.

Bolivia (La Paz).

Ageratina gloeoclada (B. L. Rob.) R. M. King & H. Rob., Phytologia 19(4): 222 (1970).

*Eupatorium gloeocladum B. L. Rob., Proc. Amer. Acad. Arts 55: 17 (1919). Type: Bolivia: Department La Paz, Province Larecaja, in the neighbourhood of Sorata, in termperate region, 27003999 m., on Mt. Chilieca, near Challapampa, July-Sept. 1858, G. Mandon, no. 258. Syntypes: GH, NY. [Type not specified by Robinson and two herbaria cited.]

Bolivia (La Paz).

Ageratina lorentzii (Hieron.) R. M. King & H. Rob., Phytologia 19(4): 215 (1970).

Eupatorium lorentzii Hieron., Bot. Jahrb. Syst. 22(45): 787 (1897). Types: [Argentina:] Tucuman: bei der Estancia La Cinaga in der Sierra de Tucuman (Lor., 25.31, M rz 1872, n. 143). Salta: in der Quebrada de San Lorenzo (Lor. u. Hieron., 9. Mrz 1873), bei Yacone in den Vorbergen des Nevado del Castillo (Lor. u. Hieron., M rz 1873, n. 321). Syntypes: B.

Argentina, Bolivia (?). Cabrera & Freire (1997: 35) noted this species from Bolivia, although only recorded from Argentina in King & Robinson (1987).

Ageratina pentlandica (DC.) R. M. King & H. Rob., Phytologia 19(4): 225 (1970).

*Eupatorium pentlandicum DC., Prodr. 5: 157 (1836). Type: L in Amer. merid. parte centrali nunc Bolivi dict legit cl. Pentland. ... (v.s. comm. cl. inv.). Syntypes: G-DC. There are two specimens sent from Pentland, one dated 1819, the other 1829.

Eupatorium incasicum Wedd., Chloris Andina 1: 218 (1857). Type: 'Hab. Bolivie: trs abondant dans les les du lac de Titicaca; h. 3900 m. (Wedd.). Holotype: P.

Bolivia (La Paz), Peru.

Ageratina scopulorum (Wedd.) R. M. King & H. Rob., Phytologia 19(4): 217 (1970).

*Eupatorium scopulorum Wedd., Chloris Andina 1: 216 (1857). Types: Hab. Bolivie et Prou: sur les rochers humides, autour du lac Titicaca!, h. 3900 m tres (Wedd.). Holotype: P.

Bolivia (Cochabamba, La Paz), Peru.

Ageratina sternbergiana (DC.) R. M. King & H. Rob., Phytologia 19(4): 217 (1970).

*Eupatorium sternbergianum DC., Prodr. 5: 167 (1836). Type: in Peruviae collibus Cordillerianis legit cl. Haenke. ... (v. s. in h. Haenk. ab ill. com. de Sternberg comm.). Holotype: PR; isotype: G-DC.

Eupatorium heptanthum Sch.Bip., Bull. Soc. Bot. France 12: 82 (1865); Linnaea 34(5): 535 (Feb. 1866), nom. nud. (based on Mandon 260, p.p.)

Eupatorium heptanthum Sch.Bip. ex Rusby, Bull. New York Bot. Gard. 4(14): 378 (1907), non Sch.Bip. ex Wedd. (1857) (= Ophryosporus heptanthus (Sch.Bip. ex Wedd.) R. M. King & H. Rob.). Types: [Bolivia:] [Bang] (No. 2037)./The same as Mandon 260, and apparently collected by Seemann in Venezuela. Syntypes: NY.

Bolivia (La Paz, Santa Cruz), Peru.

Note: Britton (1891) cited, under Eupatorium heptanthum Sch.Bip. (nom. nud.) that a Rusby collection resembled E. azangaroense, q.v. Ageratina azangaroensis: Near La Paz, 10,000 ft. ([Rusby] 1733)., linking it with Mandon 260 and Lechler 1776 (from Peru). Clearly Britton was referring to part of the Mandon 260 collection; see also Ageratina azangaroenses.

Ageratina tenuis (R. E. Fr.) R. M. King & H. Rob., Phytologia 19(4): 217 (1970).

Eupatorium tenue R. E. Fr., Arkiv Bot. 5(13): 9 (1906). Type: Argentinae prov. Jujuy: Sierra S:a Barbara, loco subumbroso in regione Podocarpi, ca. 2000 m. s. m. [11/701; Fr. 281]. Holotype: S.

Argentina, Bolivia (Chuquisaca, Santa Cruz).

Ageratiopsis Sch.Bip. ex Benth. in Benth. & Hook.f., Gen. Pl. 2: 246 (1873), nom. nud. pro syn. = Ageratina Spach