Croptilon rigidifolium

Croptilon rigidifolium, called the stiff-leaf scratchdaisy, is a North American species of flowering plants in the aster tribe within the sunflower family. It has been found in the US State of Texas and also in the Mexican State of Nuevo León.[2][3][4]

Croptilon rigidifolium
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae
Genus:
Croptilon
Species:
C. rigidifolium
Binomial name
Croptilon rigidifolium
(E.B.Sm.) E.B.Sm.
Synonyms[1]
  • Croptilon divaricatum var. hirtellum (Shinners) Shinners
  • Haplopappus rigidifolius E.B.Sm.
  • Isopappus divaricatus var. hirtellus Shinners

Croptilon rigidifolium is an herb sometimes reaching a height of 150 cm (5 feet). Flower heads are yellow, with both ray florets and disc florets.[5]

References
  1. The Plant List, Croptilon rigidifolium (E.B.Sm.) E.B.Sm.
  2. Biota of North America Program 2014 county distribution map
  3. Smith, Edwin Burnell 1965. Rhodora 67(771): 229-231 as Haplopappus rigidifolius
  4. Smith, Edwin Burnell 1981. Sida 9(1): 60
  5. Flora of North America, Stiff-leaf scratchdaisy, Croptilon rigidifolium (E. B. Smith) E. B. Smith


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