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|Profile for Sonchus asper (Spiny Sowthistle) |
Southeastern Pennsylvania: (invasive or naturalized) June, July, August
This page is a profile for the plant species Sonchus asper, used to collect records of where and when this plant was observed blooming, and for providing identification information for use in dichotomous keys. If you would like to help collect data for this or other plants, see Bloom clock project/How to Contribute for orientation.