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Plazia Ruiz & Pav., Fl. Peruv. Prodr. : 104 (1794).

Aglaodendron Remy, Ann. Sci. Nat., ser. 3, 12: 175 (1849). Type: Aglaeodendron cheiranthifolium Remy = Plazia cheiranthifolia (Remy) Wedd.

Harthamnus H. Rob., Phytologia 45(6): 451 (1980). Type: Harthamnus boliviensis H. Rob. = Plazia daphnoides Wedd.

Type: Plazia conferta Ruiz & Pav.

References

Cabrera, A. L. (1951). Notas sobre compuestas de la Amrica Austral. I. Los g neros afines a Plazia. Darwiniana 9(34): 363373.

Robinson, H. (1980). Harthamnus, a new genus of Mutisieae from Bolivia. Phytologia 45(6): 451455.

*Plazia acaciifolia J. Koster, Blumea 5(3): 665 (1945) = Hyalis lancifolia Baker

*Plazia argentea (D. Don) Kuntze, Revis. Gen. Pl. 3(3): 167 (1898) = Hyalis argentea D. Don ex Hook. & Arn.

Plazia daphnoides Wedd., Chloris Andina 1: 13 (1855). Types: Hab. Prou (a): Cordill re de Tacora!, entre Tacna et La Paz, h. 4000 mtres (Wedd.). Bolivie (b): sur les rochers, vers la partie sup rieure de la Quebrada honda!, prs de Potosi (dOrbigny, no 1386). Syntypes: P. Note: Ferreyra (1995: 83) lectotypified this name noting è''Peru, Cordillera de Tacora, entre Tacna et La Paz, Weddell s.n. (lectotype P, not seen; isolectotype ex P, F971331). and that b was marked on the dOrbigny collection. However, additional comments were provided noting The lectotype was collected by Weddell in the Cordillera Tacora near Tacora, a region now part of northern Chile, and there can be little doubt that Weddell derived his description he had collected in the area that was Peru until the 1870s.

Plazia daphnoides Wedd. var. a villosa Wedd., Chloris Andina 1: 13 (1855). Type: see above.

*Plazia daphnoides Wedd. var. b glabrescens Wedd., Chloris Andina 1: 13 (1855). Type: see above (dOrbigny 1386). This variety may warrant recognition.

Harthamnus boliviensis H. Rob., Phytologia 45(6): 451 (1980). Type: BOLIVIA: Cochabamba: S. E. of Cochabamba, vic. of Rodeo. Rocky slope, slightly grazed. 3500 meters. Fls. white. March 5, 1979. Jeffrey A. Hart 1739. Holotype: US; isotype: A.

Argentina, Bolivia (Chuquisaca, Cochabamba), Chile, Peru.

*Plazia daphnoides Wedd. var. b glabrescens Wedd., Chloris Andina 1: 13 (1855) = Plazia daphnoides Wedd.

Plazia daphnoides Wedd. var. a villosa Wedd. = Plazia daphnoides Wedd.

*Plazia spartioides (Wedd.) Kuntze, Revis. Gen. Pl. 3(3): 167 (1898) = Aphylloclados spartioides Wedd.

Pleiogyne [unranked] I. Strongylosperma (Less.) K. Koch, Bot. Zeit. 1: 40 (1843), comb. illegit., based on Strongylosperma Less. = Cotula L.

Pleiogyne [unranked] II. Pleiogynodes K. Koch, Bot. Zeit. 1: 40 (1843), nom. illegit. = Cotula L.

Pleiogyne [unranked] III. Eupleiogyne K. Koch, Bot. Zeit. 1: 40 (1843), nom. illegit. = Cotula L.

Pleiogyne australis (Sieber ex Spreng.) K. Koch, Bot. Zeit. 1: 40 (1843), comb. illegit. = Cotula australis (Sieber ex Spreng.) Hook. f.