Robert W. Freckmann Herbarium


  Tragopogon dubius Scop. image
Photographer: Merel R. Black           

Elizabeth Parnis

Kenneth J. Sytsma

Christopher Noll

Paul Drobot

Stephen L. Solheim
Family Asteraceae
Tragopogon dubius Scop.
fistulous goat's-beard, greater sand goat's-beard, yellow salsify
Tragopogon: derived from two Greek words tragos meaning "goat" and pogon meaning "beard," suggested by its prominent, feathery hairs when in seed
dubius: doubtful
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized
Plant: erect, biennial, 1'-3' tall forb with milky juice
Flower: head 1 1/2" wide with pale yellow ray flowers, bracts longer than the rays; inflorescence a single head on a long stalk; blooms May-July
Fruit:dry seed on whitish, fluffy pappus forming a large ball
Leaf:alternate, clasping, linear, grass-like with straight, pointed tips
Habitat: dry; disturbed sites, roadsides
(Glossary)

More Information Natural Communities Herbarium Specimens
All Tragopogon list Google- Images or Text

Flora of North America (off site)
Synonyms 
Tragopogon dubius Scop. subsp. major (Jacq.) Voll.
Tragopogon major Jacq.

         
  Home
Faculty
Botany News/Events
Projects
Book We Recommend
Historical Botanists
Other Links
Botanical Club of Wisconsin (off site)
UW-Stevens Point Biology Dept.
 
Plants of Wisconsin
Vascular Plants
Bryophytes
Ethnobotany
Natural Communities
Botany News/Events
Other Links
Lichens (off site)   
Tom Volk's Fungi (off site)
Taxonomy of Vascular Plants
                          Vascular Plants
Browse by Identification Guides
Family Wildflowers
Genus Trees
Common Names Shrubs
Search by Vines
Names Aquatic-Semi aquatic
Specimens Ferns - Fern Allies
Blooming Times Grasses, Sedges, or Rushes
County & Status Other Resources  
Town Range Taxonomy of Vascular Plants
  WI Checklist & CofC Values
Bryophytes
Browse by:
Common Name
Genus
Search by:
County
 Name
Copyright 2012 Permissions Contact Us Web Map