Home Forum Resources Shop Journey Log Back to map



intro1234567891011121314151617181920212223


Timeline
Lewis and Clark
SHOWING RECORD: 11 of 19   Lacy Tansyaster
PreviousNextJournals and Maps
image: Lacy Tansyaster
Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
Lacy Tansyaster
(Yellow Spiny Daisy)

Machaeranthera pinnatifida



First Noted by Expedition
September 15, 1804, in Chamberlain, South Dakota.
 

Description
A slender plant with small, weakly bristly leaves and one yellow flower head at tip of each of many upper branches. Flower heads about 1 in (2.5 cm) wide; rays each about 0.4 in (1 cm) long, surrounding disk flowers. Leaves 0.1-0.8 in (0.3-2 cm) long, narrow. Height: 6-14 in (15-35 cm).
 

Habitat
Open places in arid grasslands and deserts and among piñon and juniper.
 

Range
Alberta, Canada, south through Rocky Mountain region and much of the Plains states to New Mexico, Arizona, southern California, and northern Mexico.
 

Note
Species information from enature.com
ADVERTISEMENT

Subscribe Online
Your subscriptions help National Geographic conservation efforts worldwide >>



ADVERTISEMENT
Black-Billed Magpie
Black-Tailed Prairie Dog
Coyote
Desert Cottontail
Mule Deer
Prairie Sharp-Tailed Grouse
White-Tailed Jackrabbit
Aromatic Aster
Broom Snakeweed
Four-Wing Saltbush
Lacy Tansyaster