Tag Archives: Weed

Wild Parsnip. Is it invasive or just a weed?

By Bill Kleiman, The Nature Conservancy at Nachusa Grasslands Pastinaca sativa, wild parsnip lives two years, with flower and seed set on year two. Every June you will find us mowing it somewhere on the preserve, as this is when … Continue reading

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The Devil King by Bill Kleiman

King devil, Hieracium pratense, or H. caespitosum  is sometimes called field hawkweed. it is in the composite family. It is a weed and considered invasive by many managers, including yours truly.  Do not confuse this plant with native H. longipilum which blooms a few weeks after … Continue reading

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