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: Liliopsida (Monocotyledons/Monocotiledoni)
Subclass/Sottoclasse: Commelinidae
Order/Ordine: Cyperales
Family/Famiglia: Poaceae (Grass family)
Genus/Genere: Lygeum Loefl. ex L.

Species/Specie:
1) Lygeum spartum Loefl. ex L. [Gen. pl. ed. 5, 27. 1754] (H caesp) Sparto steppico Albardine

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: Rubiales
Family/Famiglia: Rubiaceae (Madder family)
Genus/Genere: Lygistum P. Browne

Species/Specie:
1) Lygistum spicatum Lam. [Tabl. encycl. 1:286. 1792] (= Duggena hirsuta (Jacq.) Britton) (= Duggena spicata (Lam.) Standl.) (= Gonzalagunia spicata (Lam.) M. Gomez) (= Justicia hirsuta Jacq.)

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: Asterales
Family/Famiglia: Asteraceae (Aster family)
Genus/Genere: Lygodesmia D. Don

Species/Specie:
1) Lygodesmia aphylla (Nutt.) DC. [Prodr. 7:198. 1839] Rose-rush
2) Lygodesmia arizonica Tomb [Sida 3:530. 1970]
3) Lygodesmia dianthopsis (D. C. Eaton) Tomb [Sida 3:532. 1970]
4) Lygodesmia doloresensis Tomb [Syst. Bot. Monogr. 1:48. 1980]
5) Lygodesmia grandiflora (Nutt.) Torr. & A. Gray Skeleton plant
6) Lygodesmia juncea (Pursh) D. Don [S. Watson et al., Botany [fortieth parallel] 200. 1871 (in C. King, U.S. geol. explor. 40th Parallel vol. 5)] (= Prenanthes juncea Pursh) Skeleton weed
7) Lygodesmia pauciflora (Torr.) Shinners [Field & Lab. 18:30. 1950] (= Prenanthes pauciflora Torr.) (= Ptiloria lygodesmioides A. Heller) (= Ptiloria pauciflora (Torr.) Raf.) (= Stephanomeria lygodesmioides M. E. Jones ex L. F. Hend.) (= Stephanomeria pauciflora (Torr.) A. Nelson)

Kingdom/Regno: Plantae (Plants/Piante)
Subkingdom/Sottoregno: Tracheobionta (Vascular plants/Piante vascolari)
Division/Divisione: Pteridophyta
Class/Classe: Filicopsida
Order/Ordine: Polypodiales
Family/Famiglia: Lygodiaceae

Genera/Generi: 1) Lygodium Sw. (1801) (climbing fern)

Kingdom/Regno: Plantae (Plants/Piante)
Subkingdom/Sottoregno: Tracheobionta (Vascular plants/Piante vascolari)
Division/Divisione: Pteridophyta
Class/Classe: Filicopsida
Order/Ordine: Polypodiales
Family/Famiglia: Lygodiaceae
Genus/Genere: Lygodium Sw. (climbing fern)

Species/Specie:
1) Lygodium cubense Kunth [F. W. H. A. von Humboldt et al., Nov. gen. sp. 1:25[folio]; 1:31[quarto]. 1816]
2) Lygodium flexuosum
3) Lygodium japonicum (Thunb.) Sw. [J. Bot. (Schrader) 1800(2):106. 1801] (= Ophioglossum japonicum Thunb.) Japanese climbing fern Tsuru-shinobu
4) Lygodium microphyllum (Cav.) R. Br. [Prodr. 162. 1810] (= Ugena microphylla Cav.) Old World climbing fern
5) Lygodium palmatum (Bernh.) Sw. [Syn. fil. 154. 1806] (= Gisopteris palmata Bernh.) American climbing fern
6) Lygodium volubile Sw. [J. Bot. (Schrader) 1801(1,2):304. 1803-1804]

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: Rosidae
Order/Ordine: Fabales
Family/Famiglia: Fabaceae (Pea family)
Genus/Genere: Lygos Adans.

Species/Specie:
1) Lygos monosperma (L.) Heywood [Feddes Repert. 79:53. 1968] (= Genista monosperma (L.) Lam.) (= Retama monosperma (L.) Boiss.) (= Spartium monospermum L.)
2) Lygos raetam (Forssk.) Heywood [Feddes Repert. 79:53. 1968] (= Genista raetam Forssk.)
3) Lygos sphaerocarpa (L.) Heywood [Feddes Repert. Beih. 79:53. 1968] (= Genista sphaerocarpa Lam.) (= Retama sphaerocarpa (L.) Boiss.) (= Spartium sphaerocarpum L.)