Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Cirsium muticum
FAMILY
Asteraceae__
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Swamp Thistle at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cirsium muticum
FAMILY
Asteraceae__
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-011:
Carduus muticus
FAMILY
Asteraceae__
COMMON NAME:
Swamp Thistle
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Jeff Ausmus jma_cirmut
August Roscommon County MI
Roscommon State Forest Area: Higgins Township
Stems smooth, per Wildflowers of the Southern Mountains.
Jeff Ausmus jma_cirmut3
August Roscommon County MI
Roscommon State Forest Area: Higgins Township
Involucres spineless but covered with cobwebby hairs; each bract with a sticky glutinous midrib, per Wildflowers of the Southern Mountains.
COMPARE
involucral bracts of Thistles
Richard and Teresa Ware rtw_cirsium_muticum
August
Involucres 0.8-1.4" with sticky hairy bracts that usually don't have spines, per Wildflowers of Tennessee.
WEAKLEY'S FLORA (11/30/12):
Cirsium muticum
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cirsium muticum
FAMILY
Asteraceae__
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-25-011:
Carduus muticus
FAMILY
Asteraceae__