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| Accession No. | 07277 |
|---|---|
| Family | Asteraceae |
| Species | Machaeranthera canescens (Pursh) A. Gray |
| Subspecies | var. aristata (Eastw.) B.L. Turner |
| Common name | "San Juan tansyaster" |
| Collector Information | K.T. Harper (2002-140) 30 September 2002 , with C.S. Harper |
| Geography | United States, Utah, Grand County |
| Locality | Arches National Park, where main road crosses Courthouse Wash. |
Synonyms recognized by ITIS (bold taxon is currently accepted):
Machaeranthera canescens var. aristata (Eastw.) B.L. Turner
Aster canescens var. aristatus Eastw.
Aster cichoriaceus (Greene) Blake
Machaeranthera canescens ssp. glabra var. aristata (Eastw.) B.L. Turner
Machaeranthera canescens var. vacans (A. Nels.) Welsh
Machaeranthera cichoriacea Greene
Machaeranthera pulverulenta var. vacans A. Nels.
Machaeranthera rigida Greene
Common Name(s): hoary tansyaster.
Taxonomic Hierarchy: (ITIS TSN=566727, 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. aristata
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