Utah Valley University Herbarium


Accession # 01181 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Eupatorium rugosum Houtt.
Common name   white snakeroot
J.G. Harris   1741  
Coll. Date 18 August 1982 
United States
[Orleans County]
Locality Willoughby Cliffs of Mt. Pisgah along the SE tip of Willoughby Lake.
Habitat Notes talus slopes, rubble. 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 44° 43'  N, 72° 2'  W
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Ageratina altissima var. altissima (L.) King & H.E. Robins.

     Ageratum altissimum L., non Eupatorium altissimum L.
     Eupatorium rugosum Houtt.
     Eupatorium rugosum Houtt.
     Eupatorium rugosum Houtt.
     Eupatorium rugosum var. chlorolepis Fern.
     Eupatorium rugosum var. tomentellum (B.L. Robins.) Blake
     Eupatorium rugosum var. villicaule (Fern.) Blake
     Eupatorium urticifolium var. tomentellum B.L. Robins.

Common Name(s): white snakeroot.

Taxonomic Hierarchy: (ITIS TSN=182398, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Ageratina
                                        Species: Ageratina altissima
                                            Variety: Ageratina altissima var. altissima


Available images of this specimen (click to view):
specimen image: 01181s2.jpg

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
06483 Braya humilis  subsp. humilis   "low northern rockcress" same section
01956 Lobelia nuttallii      "Nuttall's lobelia" same section
01957 Parnassia asarifolia      "kidneyleaf grass of Parnassus" same section
01183 Saxifraga flagellaris      "whiplash saxifrage" same section
01182 Solidago graminifolia  var. graminifolia   "flat top goldentop" same section


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
South Shore Hiking Trail (Trail) Orleans County, VT 464 ft. W 1237  Sutton 
White Caps Campground (Locale) Orleans County, VT 983 ft. E 1201  Sutton 
Bartlett Mountain (Summit) Caledonia County, VT 0.7 mi. S 2034  Sutton 
Mount Pisgah (Summit) Orleans County, VT 0.9 mi. N 2786  Sutton 
Mount Pisgah Trail (Trail) Orleans County, VT 1.1 mi. N 2510  Sutton 
Herbert Hawkes Hiking Trail (Trail) Caledonia County, VT 0.9 mi. W 2375  Sutton 
Mount Hor (Summit) Caledonia County, VT 1 mi. W 2658  Sutton 
Dolloff Ponds (Lake) Caledonia County, VT 1.6 mi. S 1424  Sutton 
Kings Pond (Lake) Caledonia County, VT 1.5 mi. SE 1450  Sutton 
Arcadia Brook (Stream) Orleans County, VT 1.6 mi. SE   Sutton 
North Ridge (Ridge) Caledonia County, VT 2.1 mi. S 1608  Sutton 
Hedgehog Mountain (Summit) Orleans County, VT 2.1 mi. N 2169  Sutton 
Marl Pond (Lake) Caledonia County, VT 1.7 mi. SW 1588  Sutton 
Negro Pond (Lake) Orleans County, VT 2.3 mi. N 1821  Sutton 
Duck Pond (Lake) Caledonia County, VT 1.8 mi. W 1729  Sutton 
Sunmit (Populated Place) Caledonia County, VT 2.2 mi. SW 1191  Sutton 
Summit (Populated Place) Caledonia County, VT 2.2 mi. SW 1194  Sutton 
Long Pond (Lake) Orleans County, VT 2.5 mi. N 1821  Westmore 
Highland School (School) Caledonia County, VT 2.3 mi. SW 1411  Sutton 
Blake Pond (Lake) Caledonia County, VT 1.9 mi. W 1670  Sutton 


Taxon Links for species Eupatorium rugosum  Houtt.

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

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