⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.

The new version is available at http://www.worldfloraonline.org. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.

The genus Tsuga is in the family Pinaceae in the major group Gymnosperms (Conifers, cycads and allies).

Statistics are at the end of the page.

Species in Tsuga

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Tsuga canadensis (L.) Carrière	Accepted		WCSP	2012-03-23
Tsuga caroliniana Engelm.	Accepted		WCSP	2012-03-23
Tsuga chinensis (Franch.) Pritz.	Accepted		WCSP	2012-03-23	2
Tsuga diversifolia (Maxim.) Mast.	Accepted		WCSP	2012-03-23
Tsuga dumosa (D.Don) Eichler	Accepted		WCSP	2012-03-23
Tsuga forrestii Downie	Accepted		WCSP	2012-03-23
Tsuga heterophylla (Raf.) Sarg.	Accepted		WCSP	2012-03-23
Tsuga × jeffreyi (A.Henry) A.Henry	Accepted		WCSP	2012-03-23
Tsuga jeffreyi Aug. Henry	Unresolved		TRO	2012-04-18
Tsuga mertensiana (Bong.) Carrière	Accepted		WCSP	2012-03-23	1
Tsuga sieboldii Carrière	Accepted		WCSP	2012-03-23	1
Tsuga thuja A. Murr.	Unresolved		TRO	2012-04-18

Statistics

The Plant List includes 91 scientific plant names of species rank for the genus Tsuga. Of these 10 are accepted species names.

The Plant List includes a further 58 scientific plant names of infraspecific rank for the genus Tsuga. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 91 species names for the genus Tsuga recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	10	11.0%
◕	Synonym	79	86.8%
◕	Unplaced	0	0%
◕	Unassessed	2	2.2%

All names

The status of the 149 names (including infraspecific names) for the genus Tsuga recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	14	9.4%
◕	Synonym	133	89.3%
◕	Unplaced	0	0%
◕	Unassessed	2	1.3%

Of the species names,

• 3 are recorded as invalid
• 6 are recorded as illegitimate
• 2 are recorded as a spelling variant

The confidence with which the status of the 91 species names recorded in The Plant List for the genus Tsuga, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	10	74	0	0	84	92.3%
	Medium confidence	0	5	0	0	5	5.5%
	Low confidence	0	0	0	2	2	2.2%

The source of the species name records found in The Plant List for the genus Tsuga is as follows: