Summary ³

Tripleurospermum inodorum, common names scentless false mayweed, scentless mayweed, scentless chamomile, wild chamomile, mayweed, false chamomile, and Baldr's brow, is the type species of Tripleurospermum. This plant is native to Eurasia and North Africa and is considered an invasive weed in North America.

How to recognize it? ⁴

Small white ‘daisy’ flower. Petals point down. Leaves divided into fine, dill-like segments. Grow to 1m (3.3 ft).

Native lookalike: white fleabane aster

When are they blooming in Banff National Park? Early July at the earliest. Full bloom usually during the first half of August. Bloom/seeding continuing on until mid September.

Sources and Credits

1. (c) Radio Tonreg, some rights reserved (CC BY), http://www.flickr.com/photos/tonreg/8236698861/
2. (c) bioblitzbanff, all rights reserved
3. Adapted by bioblitzbanff from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Tripleurospermum_inodorum
4. Adapted by metallyza from a work by (c) bioblitzbanff, some rights reserved (CC BY-SA)

More Info

• iNaturalist.ca taxon page
• Atlas of Living Australia
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora Digital de Portugal
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• New Zealand Plant Conservation Network
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online
• 日本のレッドデータ検索システム
• 植物和名−学名インデックス YList

iNaturalist.ca Map