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Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida
lacy tansyaster

       
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Duration:    
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Native Status:  
  
  



Photo of Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida
Haplopappus spinulosus ssp. australis

©W.L. Wagner. Courtesy of Smithsonian Institution, Dept. of Systematic Biology, Botany. Usage Requirements. Any use of copyrighted images requires notification of the copyright holder.
 
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Images:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

Click on a thumbnail to view an image, or see all the Machaeranthera thumbnails at the PLANTS Gallery
View a larger version of this image and Profile page for Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida View a larger version of this image and Profile page for Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida
 

Synonyms:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

  AMSP5 Amellus spinulosus Pursh, non Machaeranthera spinulosus Greene
  ASPI10 Aster pinnatifidus (Hook.) Kuntze
  DISP5 Dieteria spinulosa (Pursh) Nutt.
  DIPI4 Diplopappus pinnatifidus Hook.
  ERAU5 Eriocarpum australe Greene
  ERSP14 Eriocarpum spinulosum (Pursh) Greene
  ERWO Eriocarpum wootonii Greene
  HACO6 Haplopappus coulteri Harv. & A. Gray ex A. Gray
  HASP3 Haplopappus spinulosus (Pursh) DC.
  HASPA Haplopappus spinulosus (Pursh) DC. ssp. australis (Greene) H.M. Hall
  HASPC Haplopappus spinulosus (Pursh) DC. ssp. cotulus (Small) H.M. Hall
  HASPL Haplopappus spinulosus (Pursh) DC. ssp. laevis (Woot. & Standl.) H.M. Hall
  HASPC2 Haplopappus spinulosus (Pursh) DC. var. canescens A. Gray
  HASPG3 Haplopappus spinulosus (Pursh) DC. var. glaber A. Gray
  HASPT Haplopappus spinulosus (Pursh) DC. var. turbinellus (Rydb.) S.F. Blake
  HATE5 Haplopappus texensis R.C. Jacks.
  MAAU4 Machaeranthera australis (Greene) Shinners
  MALA12 Machaeranthera laevis (Woot. & Standl.) Shinners
  MAPI5 Machaeranthera pinnata (Nutt.) Shinners
  MATE12 Machaeranthera texensis (R.C. Jacks.) Shinners
  SIAU5 Sideranthus australis (Greene) Rydb.
  SICO10 Sideranthus cotula Small
  SILA12 Sideranthus laevis Woot. & Standl.
  SIMA9 Sideranthus machaerantherus Small
  SIPU6 Sideranthus puberulus Rydb.
  SISP4 Sideranthus spinulosus (Pursh) Sweet ex Rydb.
  SITU3 Sideranthus turbinellus Rydb.
  SIWO Sideranthus wootonii (Greene) Standl.
  STPI4 Starkea pinnata Nutt.
 

Distribution:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AR, AZ, CO, IA, ID, MN, MT, ND, NE, NM, OK, SD, TX, UT, WY), CAN (AB, MB, SK)
 

Related Taxa:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

View 477 genera in Asteraceae, 18 species in Machaeranthera, 3 subspecies and varieties in Machaeranthera pinnatifida (Hook.) Shinners
 

Classification:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae – Aster family
Genus Machaeranthera Nees – tansyaster
Species Machaeranthera pinnatifida (Hook.) Shinners – lacy tansyaster
Subspecies Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida – lacy tansyaster
Variety Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida – lacy tansyaster
 

U.S. Weed Information:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

Haplopappus spinulosus
cutleaf ironplant
ironplant
lacy tansyaster

The related entities and synonyms italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.

NE&GP        Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska. 589pp.
 

More Accounts and Images:
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 531712.

View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).

 
 
Time Generated: 10/06/2008 11:23 AM MDT