Hieracium lepidulum

{{Short description|Species of plant}}

{{Speciesbox

|image=Iregular-toothed Hawkweed Hieracium lepidulum (6301339473).jpg

|image_caption=Close-up of flower

|image2=Iregular-toothed Hawkweed Hieracium lepidulum (6301341125).jpg

|image2_caption=Habit

|genus=Hieracium

|species=lepidulum

|authority=Stenstr. ex Dahlst.

|synonyms_ref=

|synonyms=

• Hieracium lepiduliforme {{small|Dahlst.}}
• Hieracium levicaule subsp. lepidulum {{small|(Stenstr. ex Dahlst.) Greuter}}
• Hieracium nudiceps {{small|Čelak.}}

}}

Hieracium lepidulum, the tussock hawkweed, is a species of flowering plant in the family Asteraceae, native to Europe, and introduced to Great Britain.{{cite POWO |id=219288-1 |title=Hieracium lepidulum Stenstr. ex Dahlst. |access-date=15 April 2023 }}{{cite journal |title=Quantifying invasion resistance: The use of recruitment functions to control for propagule pressure |year=2014 |last1=Miller |first1=Alice L. |last2=Diez |first2=Jeffrey M. |last3=Sullivan |first3=Jon J. |last4=Wangen |first4=Steven R. |last5=Wiser |first5=Susan K. |last6=Meffin |first6=Ross |last7=Duncan |first7=Richard P. |journal=Ecology |volume=95 |issue=4 |pages=920–929 |doi=10.1890/13-0655.1 |pmid=24933811 |hdl=10182/7461 |hdl-access=free }} A triploid, it is considered potentially invasive.{{cite journal |title=Population genetic structure of a colonising, triploid weed, Hieracium lepidulum |year=2004 |last1=Chapman |first1=H. |last2=Robson |first2=B. |last3=Pearson |first3=M. L. |journal=Heredity |volume=92 |issue=3 |pages=182–188 |doi=10.1038/sj.hdy.6800392 |pmid=14679390 |s2cid=6019506 |doi-access=free }}{{cite journal |title=Nutrient stress and performance of invasive Hieracium lepidulum and co-occurring species in New Zealand |year=2006 |last1=Radford |first1=Ian J. |last2=Dickinson |first2=Katharine J.M. |last3=Lord |first3=Janice M. |journal=Basic and Applied Ecology |volume=7 |issue=4 |pages=320–333 |doi=10.1016/j.baae.2005.08.006 }}