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Pluchea Cass., Bull. Sci. Soc. Philom. Paris 1817: 31 (1817).

Gynema Raf., Fl. Ludov.: 63 (1817). Type: not stated.

Gymnostylis Raf., Amer Monthly Mag. Crit. Rev. 2: 268 (1818), nom. nud.

Stylimnus Raf., J. Phys. Chim. Hist. Nat. Arts 89: 100 (1819). Type: not stated.

Tecmarsis DC., Prodr. 5: 93 (1836). Type: Tecmarsis bojeri DC. = Pluchea bojeri (DC.) Humbert

Berthelotia DC., Prodr. 5: 375 (1836). Type: Berthelotia lanceolata DC. = Pluchea lanceolata (DC.) C. B. Clarke

Eyrea F. Muell., Linnaea 25: 403 (1852). Type: Eyrea rubelliflora F. Muell. = Pluchea rubelliflora (F. Muell.) B. L. Rob.

Spiripodium F. Muell., Fragm. 1: 33 (1858-59). Type: Spiropodium baccharoides F. Muell. = Pluchea baccharoides (F. Muell.) F. Muell. ex Benth.

Eremohylema A.Nelson, Univ. Wyoming Publ. Bot. 1: 54 (1924). Type: Polypappus sericeus Nutt. = Eremohylema sericea (Nutt.) A. Nelson = Pluchea sericea (Nutt.) Coville

Type: Conyza marilandica Michx. = Pluchea marilandica (Michx.) Cass. = Pluchea camphorata (L.) DC.

References

Cabrera, A. L. (1949). El nombre correcto de la Lucera. Bol. Soc. Argent. Bot. 3: 3536.

Gillis, W. T. (1977). Pluchea revisited. Taxon 26(5/6): 587591.

Godfrey, R. K. (1952). Pluchea, section Stylimnus, in North America. J. Elisha Mitchell Sci. Soc. 68(2): 238271 & plates 2023.

Khan, R. & C. E. Jarvis. (1989). The correct name for the plant known as Pluchea symphytifolia (Miller) Gillis. Taxon 38(): 659662.

Nesom, G. L. (1989). New species, new sections, and a taxonomic overview of American Pluchea (Compositae: Inuleae). Phytologia 67: 158167.

Nesom, G. L. (2006). Pluchea. In: Flora of North America Editorial Committee, Flora of North America north of Mexico. Vol. 19 Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Asterales, part 1 (Aster order). pp. 478484.

Robinson, H. & J. Cuatrecasas. (1973). The generic limits of Pluchea and Tessaria (Inuleae, Asteraceae). Phytologia 27(4): 277285.

Note: Nesom (2006) provided additional comment, following P. sericea, concerning the delimitations of Pluchea, with the view that Tessaria may well have to be modified to include at least two species, T. integrifolia and T. absinthoides. This contrasts with Robinson & Cuatrecasas (1973) and Anderberg & Eldens (2006) who recognized Tessaria as monotypic, containing only T. integrifolia. The possibility of including Pluchea sericea would be within a broader concept of Tessaria.

Pluchea absinthioides (Hook. & Arn.) H. Rob. & Cuatrec., Phytologia 27(4): 284 (1973).

Baccharis absinthioides Hook. & Arn., Bot. Beechey Voy. : 57 (1832). Type: Hab. . Conception. β. Valparaiso. (Mr. Bridges.) ... Mr. Bridges states it to be from 6'-8 feet high. Holotype: [Note: The unranked and unnamed and β are counted as syntypes of this name.] GL (according to Dillon & Sagstegui, 1991: 58).

Tessaria absinthoides (Hook. & Arn.) DC., Prodr. 5: 457 (1836).

Argentina, Bolivia (?), Chile, Paraguay, Uruguay.

Bobo chico, Brea, Chirka ro (Freire, 1998).

Pluchea carolinensis (Jacq.) D. Don in Sweet, Hort. Brit., ed. 3: 350 (1839).

Conyza carolinensis Jacq., Collect. 2: 271 (1789). Type: Arbuscula quinquepedalis crescit sponte in Carolina, apud nos in caldariis, sempervirens, florens Majo & Junio, ...'' Holotype: ?

Mesoamerican. Bolivia (Cochabamba, La Paz), Colombia, Venezuela.

Note: This is the correct name for much material named as P. symphytifolia by Gillis.

Pluchea decussata Klatt, Bot. Jahrb. Syst. 8: 39 (1887) = Baccharis decussata (Klatt) Hieron.

Pluchea dodoneifolia (Hook. & Arn.) H. Rob. & Cuatrec., Phytologia 27(4): 284 (1973).

Eupatorium dodoneifolium Hook. & Arn., Companion Bot. Mag. 2(No. 14): 44 (1836). Type: Plentiful in the plains of St. Jago and Mendoza, Tweedie. (n. 1208). Holotype: K.

Conyza straminea Chod., Bull. Herb. Boiss., ser. 2, 2(4): 383 (1902). Type: Plaine argileuse au N. du Cerro-Lambare, Nov., [Hassler] 748. Holotype: G.

Tessaria straminea (Chod.) Hassl., Repert. Spec. Nov. Regni Veg. 16: 25 (1919).

Tessaria plucheoides Hassl., Feddes Repert. Spec. Nov. Regni Veg. 16: 26 (1919). Type: [Paraguay:] Gran Chaco: In campis humidis Loma Clavel, flor. mens. Dec. Hassler no. 2685. Note: Described as a hybrid between T. absinthiodem DC. et T. stramineam nob. Holotype: G.

Tessaria dodoneifolia (Hook. & Arn.) Cabrera, Lilloa 4: 184 (1939).

Tessaria dodoneifolia (Hook. & Arn.) Cabrera ssp. plucheoides (Hassl.) S. E. Freire, Candollea 52(1): 214 (1997).

Argentina, Bolivia (?), Paraguay, Uruguay.

Chirka he, Chirka melosa, Suncho (Freire, 1998).

*Pluchea fastigiata Griseb., Abh. K nigl. Ges. Wiss. Gttingen 24(1): 184 (March-April 1879), Symb. Fl. Argent. : 184 (1879) = Tessaria integrifolia Ruiz & Pav.

Pluchea fiebrigii H. Rob. & Cuatrec., Phytologia, 27(4): 284 (1973). Type: BOLIVIA: Chuquisaca: Camataqui. 2500 m, 10.2.1904. K. Fiebrig 3071 in part. Holotype: US.

Bolivia (Chuquisaca).

*Pluchea glabra Griseb. Abh. K nigl. Ges. Wiss. Gttingen 24(1): 183 (March-April 1879); Symb. Fl. Argent. : 183 (1879) = Baccharis latifolia (Ruiz & Pav.) Pers.

Pluchea microcephala Godfrey, J. Elisha Mitchell Soc. 68(2): 270 (1952). Type: ARGENTINA: al N. O. a 6 km. Pirane, Pirane, Formosa, Dec. 5, 1945, T. Morel 518 (CM: 1299928). Holotype: F; isotype: LIL.

Argentina, Bolivia (Santa Cruz), Peru.

Pluchea montana Griseb., Abh. K nigl. Ges. Wiss. Gttingen 24(1): 184 (1879); Symb. Fl. Argent. : 184 (1879) = Baccharis pentlandii ssp. sculpta (Griseb.) Joch. M ller

*Pluchea odorata (L.) Cass. var. ferruginea Rusby, Mem. Torrey Bot. Club 4(3): 211 (1895) = Tessaria integrifolia Ruiz & Pav.

Pluchea quitoc DC., Prodr. 5: 450 (1836) = Pluchea sagittalis (Lam.) Cabrera

Pluchea sagittalis (Lam.) Cabrera, Bol. Soc. Argent. Bot. 3: 36 (1949).

Conyza sagittalis Lam., Encycl. 2: 94 (1786). Type: M. Commerson a aussi trouv cette esp ce au Monte-Video. (v.s.). Holotype: ?P. Note: There is nothing listed against this name in the P-LA herbarium.

Gnaphalium suaveolens Vell., Fl. Flum. Icones 8: tab. 100 (1831). Type: not stated.

Pluchea quitoc DC., Prodr. 5: 450 (1836), nom. illegit. citing G. suaveolens Vell. pro syn. [Material cited: in Brasiliae campis arenoso-paludosis (Lund!), circa Bahiam (Blanch.! Salzm.!), Rio-Janeiro (Gaud.!), in littore dicto Banda orientale (Bacle!), in prov. Rio-Grande, Mato-Grosso. Dicitur vern. Quitoc (Lund), Quitoque (Blanch.!), Quitoco (h. Mus. Bras.). ... (v.s.) Material in G-DC.]

*Pluchea suaveolens (Vell.) Kuntze, Revis. Gen. Pl. 3(3): 168 (1898).

Argentina, Bolivia (Santa Cruz), Brazil, Paraguay, Uruguay, USA, West Indies

Note: Freire (1995: 46) rather oddly included Epaltes brasiliensis DC. within the synonymy of this species. Epaltes brasiliensis possesses epappose achenes, usually with somewhat lax inflorescences, in complete contrast to the pappose achenes of Pluchea sagittalis, which also has conspicuously dense inflorescences.

Jakare kaa, Kit, Yerba del lucero (Freire, 1998); Arnica, Kit , Lucera, Lusera, Nasherk Ita , Quitoco, Uashit lok/o/lak, Uov , Yakare ca, Yerba del lucero, Yerba lusera (Freire et al., 2006); Lucera.

*Pluchea suaveolens (Vell.) Kuntze, Revis. Gen. Pl. 3(3): 168 (1898) = Pluchea sagittalis (Lam.) Cabrera

Pluchea symphytifolia (Mill.) Gillis, Taxon 26(5/6): 591 (1977) = Neurolaena lobata (L.) R.Br. ex Cass.