Kingdom/Regno: Plantae (Plants/Piante)
Subkingdom/Sottoregno: Tracheobionta (Vascular plants/Piante vascolari)
Superdivision/Superdivisione: Spermatophyta (Seed plants/Piante con semi)
Division/Divisione: Magnoliophyta (Flowering plants/Piante con fiori)
Class/Classe: Magnoliopsida (Dicotyledons/Dicotiledoni)
Subclass/Sottoclasse: Asteridae
Order/Ordine: Lamiales
Family/Famiglia: Boraginaceae (Borage family)
Genus/Genere: Amsinckia Lehm. (fiddleneck)

Species/Specie:
1) Amsinckia calycina (Moris) Chater [J. Linn. Soc., Bot 64(4):380. 1971] (= Lithospermum calycinum Moris) Yellow burweed
2) Amsinckia carinata A. Nelson & J. F. Macbr. [Bot. Gaz. 62:145. 1916] Malheur fiddleneck
3) Amsinckia douglasiana A. DC. Douglas' fiddleneck
4) Amsinckia eastwoodiae J.F. Macbr. Eastwood's fiddleneck
5) Amsinckia grandiflora (A. Gray) Kleeb. ex Greene [Man. bot. San Francisco 263. 1894] Largeflowered fiddleneck
6) Amsinckia intermedia Fisch. & C. A. Mey. [Index sem. hort. petrop. 2:26. 1836] Yellow burweed
7) Amsinckia lunaris J.F. Macbr. Bentflower fiddleneck
8) Amsinckia lycopsoides Lehm. [Sem. hort. bot. hamburg. 1831:3,7. 1831] Tarweed fiddleneck
9) Amsinckia menziesii (Lehm.) Lehm.Nelson & J.F. Macbr. Menzies' fiddleneck
10) Amsinckia spectabilis Fischer & C. Meyer Woolly breeches
11) Amsinckia tessellata A. Gray [Proc. Amer. Acad. Arts 10:54. 1874] (= Amsinckia washingtonensis Suksd.) Bristly fiddleneck
12) Amsinckia vernicosa Hook. & Arn. [W. H. Brewer et al., Bot. California 1:525. 1876] Green fiddleneck
13) Amsinckia washingtonensis Suksd. [Werdenda 1:110. 1931] (= Amsinckia tessellata A. Gray)

Kingdom/Regno: Plantae (Plants/Piante)
Subkingdom/Sottoregno: Tracheobionta (Vascular plants/Piante vascolari)
Superdivision/Superdivisione: Spermatophyta (Seed plants/Piante con semi)
Division/Divisione: Magnoliophyta (Flowering plants/Piante con fiori)
Class/Classe: Magnoliopsida (Dicotyledons/Dicotiledoni)
Subclass/Sottoclasse: Asteridae
Order/Ordine: Gentianales
Family/Famiglia: Apocynaceae (Dogbane family)
Genus/Genere: Amsonia Walter

Species/Specie:
1) Amsonia ciliata Walter Fringed bluestar
2) Amsonia grandiflora Alexander [Torreya 34:116. 1934]
3) Amsonia hubrichtii Woodson [Rhodora 45:328. 1943]
4) Amsonia kearneyana Woodson [Ann. Missouri Bot. Gard. 15:415. 1928] Kaerney's bluestar
5) Amsonia tabernaemontana Walter [Fl. carol. 98. 1788] Eastern bluestar
6) Amsonia tharpii Woodson [Ann. Missouri Bot. Gard. 35:237. 1948]
7) Amsonia tomentosa Torrey & Fremont Woolly bluestar