Utah Valley University Herbarium


Accession # 05503 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Machaeranthera canescens (Pursh) A. Gray
Infraspecific    var. monticola Dorn
Common name   mountain gray tansy aster
Donna M. Barnes   970  
Coll. Date 16 August 2001 
United States
Summit County
Locality Highway 150, Bear River Lodge, SW of lodge.
     Elev.: 8406 ft. (2563 m.)
Habitat Notes along stream bank, on sand bar, sandy soil; aspen-pine community 
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 40° 55'  N, 110° 49'  W
Township Range T3N, R10E, Sec. 32  
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)


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

     Machaeranthera canescens var. canescens (Pursh) Gray

     Aster canescens Pursh
     Aster canescens var. viscosus (Nutt.) Gray
     Aster glossophyllus Piper
     Aster leiodes Blake
     Aster shastensis var. glossophyllus (Piper) Cronq.
     Aster shastensis var. latifolius Cronq.
     Dieteria canescens Nutt.
     Dieteria divaricata Nutt.
     Dieteria pulverulenta Nutt.
     Dieteria viscosa Nutt.
     Machaeranthera angustifolia Rydb., non Woot. & Standl.
     Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray
     Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray
     Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray
     Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray
     Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray
     Machaeranthera canescens var. latifolia (A. Nels.) Welsh, non Gray
     Machaeranthera canescens var. monticola Dorn
     Machaeranthera canescens var. viscosa (Nutt.) Piper
     Machaeranthera divaricata (Nutt.) Greene
     Machaeranthera glabella Greene ex Rydb.
     Machaeranthera laetevirens Greene, non Aster laetevirens (Greene) Greene
     Machaeranthera latifolia A. Nels.
     Machaeranthera leptophylla Rydb.
     Machaeranthera linearis Rydb., non Greene
     Machaeranthera montana Greene
     Machaeranthera paniculata A. Nels.
     Machaeranthera pinosa Elmer
     Machaeranthera pulverulenta (Nutt.) Greene
     Machaeranthera ramosa A. Nels.
     Machaeranthera selbyi Rydb.
     Machaeranthera shastensis var. glossophylla (Piper) Cronq. & Keck
     Machaeranthera shastensis var. latifolia (Cronq.) Cronq. & Keck
     Machaeranthera shastensis var. montana (Greene) Cronq. & Keck
     Machaeranthera spinulosa (Greene) Cory, non Amellus spinulosa Pursh
     Machaeranthera subalpina Greene
     Machaeranthera superba A. Nels.
     Machaeranthera viscosa (Nutt.) Greene

Common Name(s): hoary tansyaster.

Taxonomic Hierarchy: (ITIS TSN=566721, click for more information and references)

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


Available images of this specimen (click to view):
specimen image: 05503s2.jpg

Images of other samples of the same species:
specimen image: 01318s2.jpg 
specimen image: 01376s3.jpg 
specimen image: 02587s2.jpg 
specimen image: 03266s2.jpg 
specimen image: 03267s2.jpg 
specimen image: 03268s2.jpg 
specimen image: 03829s2.jpg 
specimen image: 04782s2.jpg 
specimen image: 04810s2.jpg 
specimen image: 05504s2.jpg 
specimen image: 05580s2.jpg 
specimen image: 05731s2.jpg 
specimen image: 06357s2.jpg 
specimen image: 06734s2.jpg 
specimen image: 06910s2.jpg 
specimen image: 07277s2.jpg 
specimen image: 07783s2.jpg 
specimen image: 08500s2.jpg 
specimen image: 08995s2.jpg 
specimen image: 09065s2.jpg 
specimen image: 09336s2.jpg 
specimen image: 09596s2.jpg 
specimen image: 11883s2.jpg 
specimen image: 11883d1.jpg 
specimen image: 11930s1.jpg 
specimen image: 11998c1.jpg 
specimen image: 11998d1.jpg 
specimen image: 11998s1.jpg 
specimen image: 12019c1.jpg 
specimen image: 12019d1.jpg 
specimen image: 12019s1.jpg 
specimen image: 13454s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
05481 Anaphalis margaritacea      "western pearly everlasting" same section
07902 Arceuthobium americanum      "American dwarf mistletoe" 619 ft. E
05489 Bromus carinatus      "California brome" same section
07913 Bromus inermis      "smooth brome" same section
07912 Calamagrostis canadensis  var. langsdorffii   "bluejoint" same section
05496 Campanula rotundifolia      "bluebell bellflower" same section
07899 Carex aurea      "golden sedge" 619 ft. E
07897 Carex lenticularis  var. lipocarpa   "Kellogg's sedge" 619 ft. E
07896 Cerastium fontanum  subsp. vulgare   "big mouse-ear chickweed" 619 ft. E
07910 Chrysanthemum leucanthemum      "ox-eye daisy" same section
07916 Chrysothamnus viscidiflorus  var. lanceolatus   "spear-leaf yellow rabbitbrush" same section
05494 Cirsium arvense      "Canada thistle" same section
07914 Elymus glaucus  subsp. glaucus   "blue wildrye" same section
05501 Elymus trachycaulus      "slender wheatgrass" same section
07900 Galium bifolium      "twinleaf bedstraw" 619 ft. E
07915 Hierochloe odorata      "sweetgrass" same section
07895 Isatis tinctoria      "Dyer's woad" 619 ft. E
05491 Juncus ensifolius      "swordleaf rush" same section
07898 Juncus ensifolius  var. montanus  619 ft. E
07905 Ligusticum tenuifolium      "Idaho licorice-root" 619 ft. E
05500 Lolium perenne      "perennial ryegrass" same section
07918 Matricaria maritima      "mayweed" same section
05480 Matricaria maritima      "mayweed" same section
07903 Mentha arvensis      "wild mint" 619 ft. E
05490 Parnassia fimbriata      "fringed grass of Parnassus" same section
07904 Parnassia fimbriata      "fringed grass of Parnassus" 619 ft. E
05499 Poa palustris      "fowl bluegrass" same section
07911 Poa palustris      "fowl bluegrass" same section
05502 Potamogeton alpinus      "alpine pondweed" same section
05492 Potentilla fruticosa     same section
05495 Prunella vulgaris  subsp. lanceolata   "lance selfheal" same section
05493 Solidago multiradiata  var. scopulorum   "low goldenrod" same section
07909 Spergularia rubra      "red sandspurry" same section
05497 Spiranthes romanzoffiana  var. romanzoffiana   "hooded ladies tresses" same section
07901 Symphyotrichum foliaceum  var. parryi   "Parry's aster" 619 ft. E
13635 Valeriana edulis      "tobacco root" same section
07917 Valeriana edulis      "tobacco root" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Hovarka Canal (Canal) Summit County, UT 1065 ft. NE 8386  Deadman Mountain 
East Fork Campground (Locale) Summit County, UT 0.7 mi. W 8370  Deadman Mountain 
East Fork Bear River (Stream) Summit County, UT 0.8 mi. SW   Red Knob 
Bear River Campground (Locale) Summit County, UT 0.8 mi. SW 8327  Deadman Mountain 
Bear River Ranger Station (Locale) Summit County, UT 2.3 mi. S 8475  Deadman Mountain 
Deadman Creek (Stream) Summit County, UT 2.4 mi. NE   Deadman Mountain 
Lily Lake (Lake) Summit County, UT 2.7 mi. S 8905  Deadman Mountain 
Hill Air Force Base Recreation Camp (Locale) Summit County, UT 2.4 mi. E 8842  Deadman Mountain 
Christmas Tree Creek (Stream) Summit County, UT 2.6 mi. NE   Deadman Mountain 
Cow Hollow (Valley) Summit County, UT 3.2 mi. N   Deadman Mountain 
Island Ranch (Locale) Summit County, UT 3.2 mi. N 8084  Deadman Mountain 
MacKays Cabin (Locale) Summit County, UT 2.8 mi. E 8521  Deadman Mountain 
Stillwater Campground (Locale) Summit County, UT 3.5 mi. S 8521  Christmas Meadows 
Deer Creek (Stream) Summit County, UT 2.8 mi. W   Seven Tree Flat 
Stillwater Fork (Stream) Summit County, UT 3.6 mi. S   Hayden Peak 
Hayden Fork (Stream) Summit County, UT 3.6 mi. S   Hayden Peak 
Carter Creek (Stream) Summit County, UT 2.9 mi. E   Deadman Mountain 
Grassy Lake Dam (Dam) Summit County, UT 3 mi. NW 8311  Deadman Mountain 
Grassy Lake (Reservoir) Summit County, UT 3 mi. NW 8311  Deadman Mountain 
West Fork Bear River (Stream) Summit County, UT 3.7 mi. N   Whitney Reservoir 


Taxon Links for species Machaeranthera canescens  (Pursh) A. Gray

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:

Zooming out might reveal more collections in other states.

Note: Printing this page will show all information sequentially.   edit