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Plant species within the Sonchus genus are shown below. For quick access to genus details, visit our Sonchus genus page.

Record Format

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Scientific Name

Common Name

Family

Genus

Specimens

Photo(s)

Infraspecies

Infraspecies Author

Duration

Ecology

Native

Endemic

Global Rank

Global Rank Comment

Growth Habit

Nature Serve

Persisting

Plant Notes

Plant Type

Species

Species Author

State Rank

State Rank Comment

Status State

Status US

Taxon Notes

USDA Symbol

NWPL_NCNE

NWPL_EMP

Accepted Name

Sonchus arvensis

Asteraceae

Sonchus

Vascular

arvensis

FACU

Accepted Name

Sonchus arvensis ssp. arvensis

field sow thistle

Asteraceae

Sonchus

ssp. arvensis

Perennial

Roadsides, cultivated ground, disturbed areas, and waste places.

GNRTNR

Forb/herb

33528

Vascular

arvensis

SNA

SOARA2

FACU

Accepted Name

Sonchus arvensis ssp. uliginosus

smooth sow thistle

Asteraceae

Sonchus

ssp. uliginosus

(M. Bieb.) Nyman

Perennial

GNRTNR

Forb/herb

32785

Vascular

arvensis

SNA

SOARU

FACU

Accepted Name

Sonchus asper

spiny-leaved sow thistle

Asteraceae

Sonchus

Annual

Roadsides and waste places.

GNR

Forb/herb

33151

Vascular

asper

(L.) Hill

SNA

SOAS

FACU

FAC

Accepted Name

Sonchus oleraceus

common sow thistle

Asteraceae

Sonchus

Annual

GNR

Forb/herb

33328

Vascular

oleraceus

SNA

SOOL

FACU

UPL

Accepted Name

Sonchus tenerrimus

slender sow thistle

Asteraceae

Sonchus

Annual

Herbaceous

33269

Vascular

tenerrimus

SNA

SOTE3

Listed Status:	(New York):Rare plants have been protected in New York State since 1933. After a long history of expanded protection efforts, the latest regulation was enacted in June 1989 and includes three rarity categories (endangered, threatened, and rare) and one non-rare protection category (exploitably vulnerable). Rare plants included on the list are protected under New York State Environmental Conservation Law section 9-1503. Part (f) of the law reads as follows: "It is a violation for any person, anywhere in the state to pick, pluck, sever, remove, damage by the application of herbicides or defoliants, or carry away, without the consent of the owner, any protected plant. Each protected plant so picked, plucked, severed, removed, damaged or carried away shall constitute a separate violation." Violators of the regulation are subject to fines of $25 per plant illegally taken. At this time, the Atlas only identifies those species listed as threatened or endangered.
Endangered: 5 or fewer extant sites, or fewer than 1,000 individuals, or restricted to fewer than 4 U.S.G.S. 7 1/2 minute topographical maps, or species listed as endangered by the U. S. Department of Interior, as enumerated in the Code of Federal Regulations 50 CFR 17.11.
Threatened: 6 to fewer than 20 extant sites, or 1,000 to fewer than 3,000 individuals, or restricted to not less than 4 or more than 7 U.S.G.S. 7 1/2 minute topographical maps, or listed as threatened by the U. S. Department of the Interior, as enumerated in the Code of Federal Regulations 50 CFR 17.11.
Rare: 20 to 35 extant sites, or 3,000 to 5,000 individuals statewide.
Exploitably vulnerable:	listed species are likely to become threatened in the near future throughout all or a significant portion of their range within the state if causal factors continue unchecked.

Listed Status: US	(U.S.) Source - List of Endangered and Threatened Wildlife and Plants under the provisions of the Endangered Species Act of 1973, as amended.
Endangered:	Any species which is in danger of extinction throughout all or a significant portion of its range.
Threatened:	Any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.

OBL:	Obligate Wetland. Occurs almost always (estimated probability 99%) under natural conditions in wetlands.
FACW:	Facultative Wetland. Usually occurs in wetlands (estimated probability 67%-99%), but occasionally found in non-wetlands.
FAC:	Facultative. Equally likely to occur in wetlands or non-wetlands (estimated probability 34%-66%).
FACU:	Facultative Upland. Usually occurs in non-wetlands (estimated probability 67%-99%), but occasionally found in wetlands (estimated probability 1%-33%).