⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

The genus Silphium is in the family Compositae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Silphium

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

Name	Status	Confi­dence level	Source
Silphium albiflorum A.Gray	Accepted		TICA
Silphium asperrimum Hook.	Accepted		TICA
Silphium asteriscus L.	Accepted		TICA
Silphium brachiatum Gatt.	Accepted		TICA
Silphium compositum Michx.	Accepted		TICA
Silphium glutinosum J.R.Allison	Accepted		TICA
Silphium integrifolium Michx.	Accepted		TICA
Silphium laciniatum L.	Accepted		TICA
Silphium laeve Hook.	Accepted		TICA
Silphium mohrii Small	Accepted		TICA
Silphium perfoliatum L.	Accepted		TICA
Silphium perplexum J.R.Allison	Accepted		TICA
Silphium radula Nutt.	Accepted		TICA
Silphium terebinthinaceum Jacq.	Accepted		TICA
Silphium wasiotense Medley	Accepted		TICA

Statistics

The Plant List includes 99 scientific plant names of species rank for the genus Silphium. Of these 15 are accepted species names.

The Plant List includes a further 34 scientific plant names of infraspecific rank for the genus Silphium. 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 99 species names for the genus Silphium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	15	15.2%
◕	Synonym	35	35.4%
◕	Unplaced	0	0%
◕	Unassessed	49	49.5%

All names

The status of the 133 names (including infraspecific names) for the genus Silphium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	27	20.3%
◕	Synonym	57	42.9%
◕	Unplaced	0	0%
◕	Unassessed	49	36.8%

Of these names,

• 2 are recorded as illegitimate

The confidence with which the status of the 99 species names recorded in The Plant List for the genus Silphium, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	15	33	0	0	48	48.5%
	Low confidence	0	2	0	49	51	51.5%

The source of the species name record found in The Plant List for the genus Silphium, are as follows: