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Spiny Sow-thistle
Sonchus
asper
(Linnaeus) Hill
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Spiny Sow-thistle: https://marylandbiodiversity.com/species/4414
Synonyms
Prickly sow-thistle
Tags
Non-native
Kingdom Plantae
Division Plantae
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Sonchus
View Taxonomy
Kingdom Plantae
Division Plantae
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Sonchus
Seasonality
About Taxon
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Seasonality
Seasonality
History
Time of the year
Entire Year (Jan - Dec)
Spring (Mar - May)
Summer (Jun - Jul)
Fall (Aug - Nov)
Winter (Dec - Feb)
Range of years
1915
1942
1955
1972
1980
1981
1984
1987
1988
1989
1990
1991
1992
1996
1997
2003
2004
2007
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2011
2012
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2020
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2016
2015
2014
2013
2012
2011
2010
2007
2004
2003
1997
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1992
1991
1990
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1984
1981
1980
1972
1955
1942
1915
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for Jan - Dec from 2019 - 2020
Source: Maryland Biodiversity Project database
Total
Records
by Year
Source: Maryland Biodiversity Project database