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Page Last Updated: March 7 2012
Aster Family 2
17 species
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Tanacetum
Species: Vulgare
Perennial - also known as Bitter Buttons, Golden Buttons
- native to Europe
- native to Europe
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated October 12 2010
More Pineapple Weed
Pineapple Weed - flower head 5 to 10 mm - leaves to 5 cm - height to 40 cm - Lower Don Valley (Brickworks) - June 2009
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Matricaria (also Artemisia)
Species: Matricarioides (also Discoidea)
Kingdom: Plantae
Division: Magnoliophyta
Annual - also known as Disc Mayweed - native to North
American Pacific coast?
American Pacific coast?
Class: Magnoliopsida
Updated March 7 2012
More Mayweed
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Anthemis (possibly Matricaria)
Species: Cotula?
Kingdom: Plantae
Division: Magnoliophyta
Annual / Biennial - possibly Field Chamomile (A. arvensis),
Scentless Chamomile (Matricaria maritima), Wild
Chamomile (Matricaria chamomilla) or False Mayweed
(Matricaria perforata)? - native to Europe
Scentless Chamomile (Matricaria maritima), Wild
Chamomile (Matricaria chamomilla) or False Mayweed
(Matricaria perforata)? - native to Europe
Class: Magnoliopsida
Updated October 12 2010
More Indian Blanket
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Gaillardia
Species: Pulchella
Kingdom: Plantae
Division: Magnoliophyta
Annual / Biennial / Perennial - also known as Firewheel,
Gaillardia - native to central North America
Gaillardia - native to central North America
Class: Magnoliopsida
Updated August 21 2010
More Giant Ragweed
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Ambrosia
Species: Trifida
Kingdom: Plantae
Division: Magnoliophyta
Annual - also known as Great Ragweed - pollinated by
wind - Ragweed pollen is the principal cause of Hay
Fever - has simple, 3-lobed and sometimes 5-lobed
leaves - native to North America
wind - Ragweed pollen is the principal cause of Hay
Fever - has simple, 3-lobed and sometimes 5-lobed
leaves - native to North America
Class: Magnoliopsida
Updated January 21 2012
More Chicory
Chicory - flower head to 4 cm - leaves 10 to 20 cm - height to 1.5 m - Leslie Spit - August 2009
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Cichorium
Species: Intybus
Kingdom: Plantae
Division: Magnoliophyta
Biennial - roots used as coffee substitute or additive -
also known as Wild Succory - flower is sometimes white
- native to Europe
also known as Wild Succory - flower is sometimes white
- native to Europe
Class: Magnoliopsida
Updated January 18 2010
More Common Yarrow
Common Yarrow - flower head to 7 mm - corymb 6 to 30 cm - leaves 4 to 15 cm - height to 1 m - Leslie Spit - November 2009
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Achillea
Species: Millefolium
Kingdom: Plantae
Division: Magnoliophyta
Perennial - Achilles (derivation of Genus name)
supposedly used Yarrow to treat soldier's wounds -
millefolium means "thousand leaves" - also known as
Milfoil, Thousand Leaf, Old Man's-pepper - native to
North America
supposedly used Yarrow to treat soldier's wounds -
millefolium means "thousand leaves" - also known as
Milfoil, Thousand Leaf, Old Man's-pepper - native to
North America
Class: Magnoliopsida
Updated June 19 2010
More Ox-eye Daisy
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Leucanthemum
Species: Vulgare
Kingdom: Plantae
Division: Magnoliophyta
Perennial - native to Europe
Class: Magnoliopsida
Updated July 12 2010
More Common Tansy
Updated October 28 2010
More Common Ragweed
Common Ragweed - flower head approx. 5 mm - raceme to 15 cm - leaves to 10 cm - height to 1 m - Lower Don Valley (Crother's Woods) - August 2010
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Ambrosia
Species: Artemisiifolia
Kingdom: Plantae
Division: Magnoliophyta
Annual - also known as Annual Ragweed - pollinated by
wind - Ragweed pollen is the principal cause of Hay
Fever - native to North America
wind - Ragweed pollen is the principal cause of Hay
Fever - native to North America
Class: Magnoliopsida
Updated November 9 2010
More White Snakeroot
Whie Snakeroot - flower head approx. 5 mm - leaves 6 to 18 cm - height to 90 cm - Lower Don Valley (Crother's Woods) - August 2010
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Ageratina
Species: Altissima
Kingdom: Plantae
Division: Magnoliophyta
Perennial - also known as White Sanicle, Tall Boneset -
species name formerly Eupatorium rugosum - native to
eastern North America
species name formerly Eupatorium rugosum - native to
eastern North America
Class: Magnoliopsida
Updated October 20 2010
More Boneset
Boneset - flower head approx. 5 mm - leaves 10 to 20 cm - height to 1.5 m - Leslie Spit - October 2010
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Eupatorium
Species: Perfoliatum
Kingdom: Plantae
Division: Magnoliophyta
Perennial - native to eastern North America
Class: Magnoliopsida
Updated December 9 2011
More Black-eyed Susan
Black-eyed Susan - flower head to 8 cm - leaves to 18 cm - height to 1 m - Kortright Centre for Conservation - August 2011
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Rudbeckia
Species: Hirta (also Serotina)
Kingdom: Plantae
Division: Magnoliophyta
Perennial - also known as Hairy Coneflower, Gloriosa
Daisy, Yellow Ox-eye Daisy - native to North America
Daisy, Yellow Ox-eye Daisy - native to North America
Class: Magnoliopsida
Updated January 1 2012
More Pearly Everlasting
Pearly Everlasting - flower head approx. 1 cm - flower cluster to 15 cm - leaves 4 to 12 cm - height to 90 cm - High Park - August 2010
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Anaphalis
Species: Margaritacea
Kingdom: Plantae
Division: Magnoliophyta
Perennial - white "petals" are phyllaries - native to North
America and Asia
America and Asia
Class: Magnoliopsida
Common Tansy - flower head 5 to 10 mm - leaves 10 to 20 cm - height 60 to 90 cm - Lower Don Valley (Crother's Woods) - November 2008
Mayweed? - flower head approx. 3 cm - leaves to 5 cm - height to 50 cm - Lower Don Valley (Leaside) - July 2009
Ox-eye Daisy - flower head 2 to 6 cm - leaves 4 to 15 cm - height to 80 cm - Lower Don Valley (Crother's Woods) - June 2009
Indian Blanket - flower head to 7.5 cm - leaves to 7.5 cm - height to 40 cm - Leslie Spit - August 2010
Giant Ragweed - flower head approx. 5 mm - raceme to 25 cm - leaves to 20 cm - height to 4.5 m - Lower Don Valley (Leaside) - August 2009
Updated December 9 2011
More Brown-eyed Susan
Brown-eyed Susan - flower head to 6 cm - leaves to 15 cm - height to 1.5 m - Guildwood Park - August 2011
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Rudbeckia
Species: Triloba
Kingdom: Plantae
Division: Magnoliophyta
Perennial - also known as Brown-eyed Coneflower,
Thin-leaved Coneflower, Three-lobed Coneflower (lower
leaves have 3 lobes) - native to eastern North America
Thin-leaved Coneflower, Three-lobed Coneflower (lower
leaves have 3 lobes) - native to eastern North America
Class: Magnoliopsida
Updated March 2 2012
More Tall Coneflower
Tall Coneflower - flower head to 10 cm - leaves to 30 cm (decreasing with height) - height to 3 m - Lower Don Valley (Brickworks) - August 2009
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Rudbeckia
Species: Laciniata
Kingdom: Plantae
Division: Magnoliophyta
Perennial - also known as Green-headed or Cutleaf
Coneflower - lower leaves deeply divided - Golden Glow is
a common garden cultivar - native to North America
Coneflower - lower leaves deeply divided - Golden Glow is
a common garden cultivar - native to North America
Class: Magnoliopsida
Updated March 2 2012
More Gray-headed Coneflower
Gray-headed Coneflower - flower head to 10 cm - leaves to 20 cm (decreasing with height) - height to 1.5 m - Lower Don Valley (Brickworks) - August 2010
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Ratibida
Species: Pinnata
Kingdom: Plantae
Division: Magnoliophyta
Perennial - also known as Yellow or Prairie Coneflower -
native to eastern North America
native to eastern North America
Class: Magnoliopsida
Updated March 2 2012
More Purple Coneflower
Purple Coneflower - flower head to 10 cm - leaves to 15 cm (decreasing with height) - height to 1.5 m - Lower Don Valley (Brickworks) - August 2009
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Echinacea
Species: Purpurea
Kingdom: Plantae
Division: Magnoliophyta
Perennial - native to eastern North America (introduced to
Ontario?)
Ontario?)
Class: Magnoliopsida
Updated March 7 2012
More Mayweed
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Anthemis (possibly Matricaria)
Species: Cotula?
Kingdom: Plantae
Division: Magnoliophyta
Annual / Biennial - possibly Field Chamomile (A. arvensis),
Scentless Chamomile (Matricaria maritima), Wild
Chamomile (Matricaria chamomilla) or False Mayweed
(Matricaria perforata)? - native to Europe
Scentless Chamomile (Matricaria maritima), Wild
Chamomile (Matricaria chamomilla) or False Mayweed
(Matricaria perforata)? - native to Europe
Class: Magnoliopsida