Heterodera trifolii

{{Short description|Species of roundworm}}

{{Speciesbox

| image =

| genus = Heterodera

| species = trifolii

| authority = Goffart, 1932

}}

Heterodera trifolii is a plant pathogenic nematode.{{Cite journal |last1=Kempster |first1=Valerie N. |last2=Davies |first2=Kerrie A. |last3=Scott |first3=Eileen S. |date=2001-01-01 |title=Chemical and biological induction of resistance to the clover cyst nematode (Heterodera trifolii) in white clover (Trifolium repens) |url=https://brill.com/view/journals/nemy/3/1/article-p35_6.xml |journal=Nematology |language=en |volume=3 |issue=1 |pages=35–43 |doi=10.1163/156854101300106874 |issn=1388-5545|url-access=subscription }}{{Cite journal |last1=Wang |first1=Shouhua |last2=Riggs |first2=Robert D. |date=December 1992 |title=Variations in Host Preference among and within Populations of Heterodera trifolii and Related Species |journal=Journal of Nematology |volume=31 |issue=4 |pages=407–417 |issn=0022-300X |pmc=2620399 |pmid=19270913}}