Home
Page Last Updated: April 19 2020
Aster Family 1
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Erigeron
Species: Philadelphicus
Kingdom: Plantae
Class: Magnoliopsida
Perennial - flowers may be white - also known as Common
Fleabane - Philadelphia Fleabane has leaves that clasp the
stem while the similar Daisy Fleabane (see below) does
not - open woods and fields - native to North America
Fleabane - Philadelphia Fleabane has leaves that clasp the
stem while the similar Daisy Fleabane (see below) does
not - open woods and fields - native to North America
Division: Magnoliophyta (Flowering plants)
24 species
Order: Asterales
Genus: Erigeron
Species: Annuus
Kingdom: Plantae
Class: Magnoliopsida
Annual - flowers may be pink - fields and waste areas -
native to North America
native to North America
Division: Magnoliophyta (Flowering plants)
Updated January 1 2014
More Philadelphia Fleabane
Family: Asteraceae (Aster family)
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Conyza
Species: Canadensis
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated October 4 2011
More Canada Fleabane
Annual - also known as Horseweed - fields and waste
areas - native to North America
areas - native to North America
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Symphyotrichum
Species: Novae-angliae
Kingdom: Plantae
Class: Magnoliopsida
Perennial - leaves are clasping - meadows - native to North
America
America
Division: Magnoliophyta (Flowering plants)
Updated July 3 2013
More New England Aster
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Artemisia (Sagebrush)
Species: Vulgaris
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated February 3 2014
More Mugwort
Perennial - also known as Common Wormwood - fields
and waste areas - native to Eurasia and north Africa
and waste areas - native to Eurasia and north Africa
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Solidago (Goldenrod)
Species: Flexicaulis
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated September 6 2010
More Zig-zag Goldenrod
Perennial - also known as Broad-leaved Goldenrod - stems
are zig-zagged near the top - rich, shady forests - native to
eastern North America
are zig-zagged near the top - rich, shady forests - native to
eastern North America
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Euthamia (formerly Solidago)
Species: Graminifolia
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated September 18 2010
More Grass-leaved Goldenrod
Perennial - also known as Lance-leaved or Flat-topped
Goldenrod - leaves are often covered with black spots
caused by a fungus - moist open areas, marshes,
swamps, fields - native to North America
Goldenrod - leaves are often covered with black spots
caused by a fungus - moist open areas, marshes,
swamps, fields - native to North America
Order: Asterales
Family: Asteraceae (Aster family)
Species: Lateriflorum (formerly Lateriflorus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - disk flowers are yellow at first and then turn
purplish red so that flowers on the same plant or even the
same flower can be different colours giving the plant its
common name of Calico - wood borders - native to eastern
North America
purplish red so that flowers on the same plant or even the
same flower can be different colours giving the plant its
common name of Calico - wood borders - native to eastern
North America
Division: Magnoliophyta (Flowering plants)
Updated January 2 2011
More Calico Aster
Genus: Symphyotrichum (formerly Aster)
Order: Asterales
Family: Asteraceae (Aster family)
Species: Lanceolatum (formerly Lanceolatus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Tall White or White Panicle Aster
- meadows - native to North America
- meadows - native to North America
Division: Magnoliophyta (Flowering plants)
Updated January 2 2011
More Panicled Aster
Genus: Symphyotrichum (formerly Aster)
Updated March 17 2011
More Daisy Fleabane
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Solidago
Species: Canadensis
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated April 22 2011
More Canada Goldenrod
Perennial - Tall Goldenrod (formerly S. altissima) is now
considered to be a variation of the same species (S.
canadensis var. scabra) - Late Goldenrod (S. gigantea -
also known as Tall or Giant) is very similar - meadows,
thickets, roadsides - native to North America
considered to be a variation of the same species (S.
canadensis var. scabra) - Late Goldenrod (S. gigantea -
also known as Tall or Giant) is very similar - meadows,
thickets, roadsides - native to North America
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Solidago
Species: Caesia
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated January 22 2012
More Blue-stemmed Goldenrod
Perennial - also known as Bluestem, Wreath or Woodland
Goldenrod - rich, shady forests - native to eastern North
America
Goldenrod - rich, shady forests - native to eastern North
America
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Artemisia (Sagebrush)
Species: Campestris subspecies Caudata
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated January 19 2014
More Beach Wormwood
Biennial / Perennial - also known as Tall or Field
Wormwood, Field Sagewort. Field Mugwort - binomial name
also Artemisia caudata - sandy beaches and dunes - native
to eastern North America
Wormwood, Field Sagewort. Field Mugwort - binomial name
also Artemisia caudata - sandy beaches and dunes - native
to eastern North America
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Artemisia (Sagebrush)
Species: Biennis
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated March 15 2012
More Biennial Wormwood
Annual / Biennial - also known as Biennial Sagewort - fields
and waste areas - native to western North America
and waste areas - native to western North America
Order: Asterales
Family: Asteraceae (Aster family)
Species: Puniceum (formerly Puniceus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Swamp Aster - flowers are less
often white - wet areas - native to eastern North America
often white - wet areas - native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated September 12 2013
More Purple-stemmed Aster
Genus: Symphyotrichum (formerly Aster)
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Artemisia (Sagebrush)
Species: Campestris subspecies Caudata
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated January 19 2014
More Beach Wormwood
Biennial / Perennial - also known as Tall or Field
Wormwood, Field Sagewort. Field Mugwort - binomial name
also Artemisia caudata - sandy beaches and dunes - native
to eastern North America
Wormwood, Field Sagewort. Field Mugwort - binomial name
also Artemisia caudata - sandy beaches and dunes - native
to eastern North America
Mugwort - flower head approx. 3 mm - leaves to 10 cm (decreasing with height) - height to 2 m - Lower Don Valley (Crother's Woods) - August 2010
New England Aster - flower head to 3 cm - leaves to 12 cm - height to 1.2 m - Humber Bay Park - September 2009
Calico Aster - flower head approx. 1.5 cm - leaves to 15 cm - height to 1.5 m - Lower Don Valley (Crother's Woods) - September 2010
Panicled Aster - flower head to 2.5 cm - leaves to 15 cm - height to 1.5 m - Humber Bay Park - September 2010
Philadelphia Fleabane - flower head to 3.5 cm - leaves to 15 cm - height to 70 cm - Lower Don Valley (Leaside) - June 2009
Eastern Daisy Fleabane - flower head to 2 cm - leaves to 12 cm - height to 1.5 m - High Park - June 2010
Canada Fleabane - flower head to 5 mm - leaves to 10 cm - height to 1.5 m - Leslie Spit - September 2008
Zig-zag Goldenrod - flower head approx. 8 mm - leaves 7 to 15 cm - height to 1 m - Lower Don Valley (Crother's Woods) - August 2010
Grass-leaved Goldenrod - flower head approx. 5 mm - leaves 4 to 13 cm - height to 1.5 m - Lower Don Valley (Crother's Woods) - August 2010
Canada Goldenrod - flower head approx. 3 mm - leaves 5 to 13 cm - height to 1.5 m - Samuel Smith Park - September 2010
Blue-stemmed Goldenrod - flower head approx. 5 mm - leaves 6 to 12 cm - height to 90 cm - Lower Don Valley (Leaside) - September 2010
Beach Wormwood (1st year) - flower head approx. 2 mm - leaves to 10 cm - height to 1.5 m - Toronto Islands - April 2011
Biennial Wormwood - flower head approx. 2 mm - leaves to 10 cm - height to 1.5 m - Lower Don Valley (Crother's Woods) - September 2010
Purple-stemmed Aster - flower head to 3 cm - leaves to 15 cm - height to 2 m - West Don Valley (Wilket Creek Park) - September 2012
Beach Wormwood (2nd year) - flower head approx. 2 mm - leaves to 10 cm - height to 1.5 m - Toronto Islands - July 2013
Order: Asterales
Family: Asteraceae (Aster family)
Species: Ericoides
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as White or White Heath Aster -
meadows - native to North America
meadows - native to North America
Division: Magnoliophyta (Flowering plants)
Updated January 2 2011
More Heath Aster
Genus: Symphyotrichum (formerly Aster)
Heath Aster - flower head approx. 1 cm - leaves to 6 cm - height to 1 m - Samuel Smith Park - October 2009
Order: Asterales
Family: Asteraceae (Aster family)
Species: Symphyotrichum × amethystinum
Kingdom: Plantae
Class: Magnoliopsida
Perennial - hybrid between New Enland and Heath Asters
and usually found close to both - leaves are clasping like
New England Aster with a size and form like Heath Aster -
the flowers are similar to New England Aster but smaller -
meadows - native to North America
and usually found close to both - leaves are clasping like
New England Aster with a size and form like Heath Aster -
the flowers are similar to New England Aster but smaller -
meadows - native to North America
Division: Magnoliophyta (Flowering plants)
Updated January 30 2016
More Amethyst Aster
Genus: Symphyotrichum (formerly Aster)
Amethyst Aster (centre) with New England and Heath Asters (see above) - flower head approx. 2 cm - leaves to 6 cm - height to 1 m - Thorncliffe Park - September 2015
Order: Asterales
Family: Asteraceae (Aster family)
Species: Oolentangiense (formerly Azureus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Sky Blue Aster - leaves have
winged petioles (stalks) - wood edges, fields, prairies -
native to eastern North America
winged petioles (stalks) - wood edges, fields, prairies -
native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated January 30 2016
More Azure Aster
Order: Asterales
Family: Asteraceae (Aster family)
Species: Lowrieanum
Kingdom: Plantae
Class: Magnoliopsida
Perennial - similar to Heart-leaved Aster (see above) but the
upper leaves have winged petioles (stalks) - lower leaves
are heart-shaped - flowers are pale blue / violet or white -
forest edges, wooded areas, meadows in wooded areas -
native to eastern North America
upper leaves have winged petioles (stalks) - lower leaves
are heart-shaped - flowers are pale blue / violet or white -
forest edges, wooded areas, meadows in wooded areas -
native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated January 30 2016
More Lowrie's Aster
Azure Aster - flower head approx. 1.5 cm - lower leaves to 7.5 cm (decreasing with height) - height to 1 m - High Park - September 2015
Order: Asterales
Family: Asteraceae (Aster family)
Species: Macrophylla (formerly Macrophyllus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Bigleaf Aster - wooded areas -
native to eastern North America
native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated September 8 2013
More Large-leaved Aster
Genus: Eurybia (formerly Aster)
Large-leaved Aster - flower head to 3 cm - lower leaves to 20 cm - height to 1.2 m - Lower Don Valley (Crother's Woods) - October 2010
Genus: Symphyotrichum (formerly Aster)
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Doellingeria (formerly Aster)
Species: Umbellata (formerly Umbellatus)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Parasol Whitetop - wood borders
and wet areas - native to eastern North America
and wet areas - native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated December 19 2010
More Flat-topped White Aster
Flat-topped White Aster - flower head to 3 cm - leaves to 15 cm - height to 2 m - Lower Don Valley (Crother's Woods) - July 2010
Order: Asterales
Family: Asteraceae (Aster family)
Species: Cordifolium (formerly Cordifolius)
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Blue Wood Aster - open areas
and wood edges - native to eastern North America
and wood edges - native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated March 2 2016
More Heart-leaved Aster
Genus: Symphyotrichum (formerly Aster)
Genus: Symphyotrichum (formerly Aster)
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Solidago
Species: Rugosa
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated April 19 2020
More Rough-stemmed Goldenrod
Perennial - also known as Wrinkle-leaved, Rough-leaved
Goldenrod - fields and thickets - native to eastern North
America
Goldenrod - fields and thickets - native to eastern North
America
Order: Asterales
Family: Asteraceae (Aster family)
Species: Laeve
Kingdom: Plantae
Class: Magnoliopsida
Perennial - also known as Smooth Blue Aster - forest
edges, dry fields - native to eastern North America
edges, dry fields - native to eastern North America
Division: Magnoliophyta (Flowering plants)
Updated February 18 2016
More Smooth Aster
Genus: Symphyotrichum (formerly Aster)
Smooth Aster - flower head to 3 cm - leaves to 15 cm (typically half that) - height to 1 m - Rouge Park - September 2015
Lowrie's Aster - flower head approx. 2 cm - lower leaves to 10 cm (decreasing with height) - height to 1 m - High Park - October 2015
Heart-leaved Aster - flower head to 1.5 cm - lower leaves to 15 cm - height to 1.2 m - High Park - October 2015
Order: Asterales
Family: Asteraceae (Aster family)
Species: Patula
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated December 27 2016
More Rough-leaved Goldenrod
Perennial - also known as Roundleaf or Swamp Goldenrod
- leaf upper surface is rough - basal leaves have long,
winged petioles - swamps and wet meadows - native to
eastern North America
- leaf upper surface is rough - basal leaves have long,
winged petioles - swamps and wet meadows - native to
eastern North America
Genus: Solidago
Rough-leaved Goldenrod - flower head approx. 8 mm - panicle to 45 cm - leaves to 10 cm (basal to 30 cm) - height to 2 m - Lower Don Valley (Todmorden Mills) - August 2016
Order: Asterales
Family: Asteraceae (Aster family)
Genus: Oligoneuron (formerly Solidago)
Species: Rigidum (formerly Rigida)
Kingdom: Plantae
Class: Magnoliopsida
Division: Magnoliophyta (Flowering plants)
Updated February 16 2016
More Stiff Goldenrod
Perennial - also known as Hard-leaved, Stiff-leaved or Rigid
Goldenrod - fields and open areas - native to eastern North
America
Goldenrod - fields and open areas - native to eastern North
America
Stiff Goldenrod - flower head approx. 8 mm - corymb to 20 cm - leaves to 5 cm (basal to 15 cm) - height to 1.5 m - Rouge Park - September 2015
Rough-stemmed Goldenrod - flower head approx. 3 mm - corymb to 20 cm - leaves to 10 cm - height to 1.5 m - Mono Mills (Caledon) - August 2019