Kingdom/Regno: Plantae (Plants/Piante)
Subkingdom/Sottoregno: Tracheobionta (Vascular plants/Piante vascolari)
Superdivision/Superdivisione: Spermatophyta (Seed plants/Piante con semi)
Division/Divisione: Coniferophyta
Class/Classe: Pinopsida
Order/Ordine: Pinales
Family/Famiglia: Pinaceae
Genus/Genere: Tsuga Carriere (hemlock)

Species/Specie:
1) Tsuga brunoniana (Wall.) Carriere [Traité gén. conif. 188. 1855] (= Abies yunnanensis Franch.) (= Pinus brunoniana Wall.) (= Pinus dumosa D. Don) (= Tsuga dumosa (D. Don) Eichler) (= Tsuga yunnanensis (Franch.) Mast.)
2) Tsuga canadensis (L.) Carriere [Handb. Nadelholzk. 402. 1891] (= Picea canadensis (L.) Link) (= Pinus canadensis L.) Canadian hemlock Pruche du Canada Hemlocktanne
3) Tsuga caroliniana Engelm. [Bot. Gaz. 6:223. 1881] Carolina hemlock
4) Tsuga chinensis (Franch.) E. Pritz. [Fl. reipubl. popularis sin. 7:119. 1978] (= Abies chinensis Franch.) Chinese hemlock Tieshan
5) Tsuga diversifolia (Maxim.) Mast. [J. Linn. Soc., Bot. 18:514. 1881] (= Abies diversifolia Maxim.) Japanese hemlock Kome-tsuga
6) Tsuga dumosa (D. Don) Eichler [H. G. A. Engler & K. A. E. Prantl, Nat. Pflanzenfam. 2(1):80. 1887] (= Abies yunnanensis Franch.) (= Pinus brunoniana Wall.) (= Pinus dumosa D. Don) (= Tsuga brunoniana (Wall.) Carriere) (= Tsuga yunnanensis (Franch.) Mast.) Himalayan hemlock Yunnan tieshan
7) Tsuga formosana Hayata [Gard. Chron. ser. 3, 43:194; J. Coll. Sci. Imp. Univ. Tokyo 25(19):222, fig. 12. 1908]
8) Tsuga forrestii Downie [Notes Roy. Bot. Gard. Edinburgh 14:18. 1923] Forrest hemlock Lijiang tieshan
9) Tsuga heterophylla (Raf.) Sarg. [Silva 12:73. 1899] (= Abies albertiana A. Murray) (= Abies heterophylla Raf.) (= Tsuga jeffreyi (A. Henry) A. Henry) Western hemlock Pruche de l'ouest
10) Tsuga japonica Shiras. [Bot. Mag. (Tokyo) 9:86, t. 3. 1895] (= Pseudotsuga japonica (Shiras.) Beissn.)
11) Tsuga jeffreyi (A. Henry) A. Henry [A. Henry & Flood, Proc. Roy. Irish Acad. 35B:55. 1919] (= Abies albertiana A. Murray) (= Abies heterophylla Raf.) (= Tsuga heterophylla (Raf.) Sarg.)
12) Tsuga longibracteata W. C. Cheng [Contr. Biol. Lab. China Assoc. Advancem. Sci., Sect. Bot. 7(1):1. 1932] (= Nothotsuga longibracteata (W. C. Cheng) Hu ex C. N. Page)
13) Tsuga mertensiana (Bong.) Carriere [Bibl. cult. trees 18. 1949] (= Abies hookeriana A. Murray) (= Abies mertensiana (Bong.) Lindl. & Gordon) (= Abies pattoniana A. Murray) (= Hesperopeuce mertensiana (Bong.) Rydb.) (= Pinus mertensiana Bong.) (= Tsuga pattoniana (A. Murray) Engelm.) Mountain hemlock Pruche de Patton
14) Tsuga pattoniana (A. Murray) Engelm. [Gard. Chron. ser. 2, 12:756. 1879] (= Abies hookeriana A. Murray) (= Abies mertensiana (Bong.) Lindl. & Gordon) (= Abies pattoniana A. Murray) (= Hesperopeuce mertensiana (Bong.) Rydb.) (= Pinus mertensiana Bong.) (= Tsuga mertensiana (Bong.) Carriere)
15) Tsuga sieboldii Carriere [Traité gén. conif. 186. 1855] Japanese hemlock Tsuga
16) Tsuga tchekiangensis Flous [Bull. Soc. Hist. Nat. Toulouse 69:6, fig. 1-12; Trav. Lab. Forest. Toulouse ser. 2, 4(3):123, fig. 1-12. 1936]
17) Tsuga yunnanensis (Franch.) Mast. [J. Linn. Soc., Bot. 26:556. 1902] (= Abies yunnanensis Franch.) (= Pinus brunoniana Wall.) (= Pinus dumosa D. Don) (= Tsuga brunoniana (Wall.) Carriere) (= Tsuga dumosa (D. Don) Eichler)

English name of/Nome inglese di:
- Ilex rugosa F. Schmidt (Aquifoliaceae)

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: Dilleniidae
Order/Ordine: Ericales
Family/Famiglia: Ericaceae
Genus/Genere: Tsusiophyllum Maxim.

Species/Specie:
1) Tsusiophyllum tanakae Maxim. [Mém. Acad. Imp. Sci. Saint Pétersbourg 16(9):12, t. 3. 1870 (Rhododendr. As. orient. 12, t. 3.)] (= Rhododendron tanakae (Maxim.) Ohwi) (= Rhododendron tsusiophyllum Sugim.)