Summary ²

Machaeranthera canescens (syn. Dieteria canescens) is a species of flowering plant in the aster family known by the common names hoary tansyaster and hoary-aster. It is native to western and central North America, where it is a common plant in many regions and habitat types. It is a woolly-haired, glandular annual or perennial herb with one or more branching stems sometimes exceeding a meter in height. The linear to oblong leaves may reach 10 centimeters long...

Sources and Credits

1. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/7457894@N04/3888600142
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Dieteria_canescens

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• NatureServe Explorer 2.0
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

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