Senecio megacephalus

Nutt.

Nuttall's Ragwort

G4Apparently Secure Found in 10 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.137767
Element CodePDAST8H200
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusSenecio
Other Common Names
Large-head Ragwort (EN) rocky ragwort (EN) Rocky Ragwort (EN) Séneçon à grands capitules (FR)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-07-25
Change Date2006-06-13
Edition Date2006-06-13
Edition AuthorsPlant ranking session, Victoria BC, June 2006
Rank Reasons
This species is threatened in the Flathead River in southeastern British Columbia by resource development (coal mining). This species is not threatened in Alberta; most are in protected areas. In Montana it occurs in Glacier National Park.
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
IdahoSNRYes
MontanaS4Yes
WyomingSNRYes
CanadaN3
ProvinceRankNative
British ColumbiaS3Yes
AlbertaS1Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (10)
Idaho (1)
AreaForestAcres
Bighorn - WeitasNez Perce-Clearwater National Forest254,845
Montana (9)
AreaForestAcres
Allen Peak #185Kootenai National Forest29,638
Anaconda HillHelena National Forest18,546
Barren Creek #183Kootenai National Forest14,534
Coal Ridge Ra 1127Flathead National Forest15,429
HoodooLolo National Forest105,162
Mt. Hefty Ra 1481Flathead National Forest12,938
Sheep Mountain - StatelineLolo National Forest37,844
Ten Lakes #683Kootenai National Forest48,545
Thompson Seton RA 1483Flathead National Forest52,235
References (2)
  1. Flora of North America Editorial Committee (FNA). 2006b. Flora of North America north of Mexico. Vol. 20. Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford Univ. Press, New York. xxii + 666 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.