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386.0000 Family Amaranthaceae Juss.; Gen. Pl. [Jussieu] 87 (1789), nom. cons.
ca. 185 genera, ca. 2300 spp. According to many modern authors and all PCR results Chenopodiaceae is only a subfamily or section of Amaranthaceae.
Species listed in database: 2308; hybrids: 76
= Achyranthaceae Raf.; Fl. Tellur. 3: 35 (1837)
= Atriplicaceae Juss.; Gen. Pl. [Jussieu] 83 (1789)
= Betaceae Burnett; Outlines Bot. [Burnett] 591, 1091, 1142 (1835)
= Blitaceae Kuntze; Lex. Gen. Phan. [Post & Kuntze] 637, 710 (1903)
= Celosiaceae Martinov; Tekhno-Bot. Slovar 117 (1820)
= Chenopodiaceae Vent.; Tabl. Règn. Vég. 2: 253 (1799), nom. cons., Family
= Deeringiaceae J.Agardh; Theoria Syst. Pl. 369 (1858)
= Dysphaniaceae Pax; Bot. Jahrb. Syst. 61: 230 (1927), nom. cons.
= Gomphrenaceae Raf.; Fl. Tellur. 3: 38 (1837)
= Polycnemaceae Menge; Cat. Pl. Grudent. Gedan. 161 (1839)
= Salicorniaceae Martinov; Tekhno-Bot. Slovar 558 (1820)
= Salsolaceae Menge; Cat. Pl. Grudent. Gedan. 165 (1839)
= Spinaciaceae Menge; Cat. Pl. Grudent. Gedan. 166 (1839)
386.2219 Genus Pedersenia Holub; Preslia 70(2): 181 (1998), nom. nov.
Distribution: Tropical America
Species listed in database: 8
= Trommsdorffia Mart.; Nov. Gen. Sp. Pl. [Martius] 2: 40. t. 139 (1826) (non Trommsdorffia Bernh. 1800 (Asteraceae))
species :
Pedersenia argentata (Mart.) Holub; Preslia 70(2): 181 (1998)
Distribution: Nicaragua; Panama; Bahamas; Turks & Caicos Isl.; Puerto Rico; Martinique; Colombia (Atlántico, Bolívar, Boyacá, Cauca, Cundinamarca, Magdalena, Valle); Venezuela (Aragua, Barinas, Lara, Merida, Miranda, Yaracuy, Tachira); Ecuador; Peru; Bolivia (Beni, Santa Cruz); N-Brazil (Pará, Amazonas)
80 NIC PAN 81 BAH MAR PUE TCI 82 CLM VEN 83 BOL ECU PER 84 BRA
Synonyms: hidden
= Achyranthes nodosa Bertero ex Moq.; Prodr. [A.P. de Candolle] 13(2): 352 (1849), nom. inval.
= Achyranthes pilosa Pav. ex Moq.; Prodr. [A.P. de Candolle] 13(2): 352 (1849)
= Alternanthera argentata (Mart.) Moq.; Prodr. [A.P. de Candolle] 13(2): 352 (1849)
= Alternanthera argentata var. amazonica Seub.; Fl. Bras. [Martius] 5(1): 187 (1875)
= Alternanthera aurata (Mart.) Moq.; Prodr. [A.P. de Candolle] 13(2): 353 (1849)
= Alternanthera canescens (Willd.) Moq.; Prodr. [A.P. de Candolle] 13(2): 350 (1849)
= Alternanthera parviflora (Benth.) Moq.; Prodr. [A.P. de Candolle] 13(2): 360 (1849)
= Gomphrena arborescens Balb. ex Moq.; Prodr. [A.P. de Candolle] 13(2): 352 (1849), nom. inval.
= Hebanthe aurata (Mart.) Benth. & Hook.f.; Gen. Pl. [Bentham & Hooker f.] 3: 42 (1880)
= Hebanthe parviflora Benth.; Bot. Voy. Sulphur [Bentham] 156 (1846)
= Illecebrum canescens (Kunth) Spreng.; Syst. Veg., ed. 16 [Sprengel] 1: 820 (1824)
= Illecebrum humboldtianum Roem. & Schult.; Syst. Veg., ed. 15bis [Roemer & Schultes] 5: 517 (1819)
= Illecebrum maritimum Willd. ex Moq.; Prodr. [A.P. de Candolle] 13(2): 368, 371 (1849)
= Iresine argentata (Mart.) D.Dietr.; Syn. Pl. [Dietrich] 1: 870 (1839)
= Iresine argentata var. colombiana Suess.; Repert. Spec. Nov. Regni Veg. 35: 319 (1934)
= Iresine argentata var. latifolia Suess.; Repert. Spec. Nov. Regni Veg. 35: 319 (1934)
= Iresine aurata (Mart.) D.Dietr.; Syn. Pl. [Dietrich] 1: 870 (1839)
= Iresine aurata var. amazonica Suess.; Repert. Spec. Nov. Regni Veg. 35: 319 (1934)
= Iresine benthamiana Kuntze; Revis. Gen. Pl. 2: 543 (1891)
= Iresine canescens Bonpl. ex Moq.; Prodr. [A.P. de Candolle] 13(2): 349 (1849), nom. illeg.
= Iresine dysdicta Spreng.; Syst. Veg., ed. 16 [Sprengel] 4(2) (Cur. Post.): 104 (1827)
= Iresine elatior Sieber ex Moq.; Prodr. [A.P. de Candolle] 13(2): 349 (1849), nom. inval.
= Pedersenia canescens (Willd.) Holub; Preslia 70(2): 181 (1998)
= Pfaffia aurata (Mart.) Borsch; Novon 5: 230 (1995)
= Telanthera canescens (Willd.) Moq.; Prodr. [A.P. de Candolle] 13(2): 368 (1849)
= Trommsdorffia argentata Mart.; Nov. Gen. Sp. Pl. [Martius] 2: 40. t. 41 (1826)
= Trommsdorffia aurata Mart.; Nov. Gen. Sp. Pl. [Martius] 2: 40 (1826)
= Trommsdorffia canescens (Willd.) Mart.; Nov. Gen. Sp. Pl. [Martius] 2: 40. t. 42 (1826)
species :
Pedersenia cardenasii (Standl.) Holub; Preslia 70(2): 181 (1998)
Distribution: Bolivia (Cochabamba, La Paz)
83 BOL
Synonyms: hidden
= Iresine cardenasii Standl.; Publ. Field Mus. Nat. Hist., Bot. Ser. 17: 241 (1937)
= Trommsdorffia cardenasii (Standl.) Pedersen; Adansonia, Sér. 3, 19(2): 249 (1997)
species :
Pedersenia completa (Uline & W.L.Bray) Borsch; Willdenowia 41(1): 10 (2011)
Distribution: Guatemala; Honduras; Nicaragua; Panama
80 GUA HON NIC PAN
Synonyms: hidden
= Iresine completa f. glabriuscula Suess.; Repert. Spec. Nov. Regni Veg. 38: 11 (1935)
= Iresine completa Uline & W.L.Bray; Bot. Gaz. 21: 349 (1896)
= Iresine wrightii Standl.; Contr. U.S. Natl. Herb. 18: 97 (1916)
= Pfaffia completa (Uline & W.L.Bray) Borsch; Novon 5: 230 (1995)
species :
Pedersenia costaricensis (Standl.) Holub; Preslia 70(2): 181 (1998)
Distribution: Costa Rica
80 COS
Conservation Status: IUCN R
Synonyms: hidden
= Iresine costaricensis Standl.; Contr. U.S. Natl. Herb. 18: 94 (1916)
= Pfaffia costaricensis (Standl.) Borsch; Novon 5(3): 230 (1995)
= Trommsdorffia costaricensis (Standl.) Pedersen; Adansonia, Sér. 3, 19(2): 249 (1997)
species :
Pedersenia hassleriana (Chodat) Pedersen; Bonplandia (Corrientes) 10(1-4): 108 (2000)
Distribution: ?Peru; Bolivia (Beni, Santa Cruz); Paraguay (Cordillera)
83 BOL 85 PAR
Synonyms: hidden
= Iresine hassleriana Chodat; Bull. Herb. Boissier, Sér. 2, 3: 390 (1903)
= Iresine hassleriana var. guaranoides Suess.; Repert. Spec. Nov. Regni Veg. 35: 321 (1934)
species :
Pedersenia macrophylla (R.E.Fr.) Holub; Preslia 70(2): 181 (1998)
Distribution: Paraguay (Alto Paraguay, Amambay, Pres. Hayes)
85 PAR
Synonyms: hidden
= Iresine guaranitica Chodat; Bull. Soc. Bot. Genève, Sér. 2, 18: 270, 280, 289 (1926 publ. 1927)
= Iresine hassleriana var. macrophylla (R.E.Fr.) Suess.; Repert. Spec. Nov. Regni Veg. 35: 321 (1934)
= Iresine macrophylla R.E.Fr.; Ark. Bot. 16(12): reimpr., 41 (1920)
= Trommsdorffia macrophylla (R.E.Fr.) Pedersen; Adansonia, Sér. 3, 19(2): 249 (1997)
species :
Pedersenia volubilis Borsch, T.Ortuño & M.Nee; Willdenowia 41(1): 7 (2011)
Distribution: Bolivia (Chuquisaca, Santa Cruz, Tarija)
83 BOL
species :
Pedersenia weberbaueri (Suess.) Holub; Preslia 70(2): 181 (1998)
Distribution: Peru
83 PER
Synonyms: hidden
= Iresine weberbaueri Suess.; Repert. Spec. Nov. Regni Veg. 35: 323 (1934)
= Trommsdorffia weberbaueri (Suess.) Pedersen; Adansonia, Sér. 3, 19(2): 249 (1997)
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.07 (July 26th, 2025)

Covering 356,930 accepted species,
8,788 hybrids, 48,065 accepted infraspecific taxa and 1,003,736 synonyms,
in total 1,417,519* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

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With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

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