Trifolium dubium Sibth.
cowhop clover, hop clover, Irish shamrock, least hop clover, lesser trefoil, lesser yellow trefoil, little hop clover, low hop clover, shamrock, shamrock clover, small hop clover, small hop-clover, suckling clover, yellow clover, yellow shamrock, yellow suckling clover
Fabaceae (Queensland, the ACT, Victoria, Tasmania, and the Northern Territory)Fabaceae: sub-family Faboideae (New South Wales)Leguminosae (South Australia)Papilionaceae (Western Australia)
Native to north-western Africa (i.e. Morocco and Tunisia), Europe and western Asia (i.e. Cyprus, Israel, Turkey and south-western Russia).
Widely naturalised in southern and eastern Australia (i.e. in eastern Queensland, eastern and southern New South Wales, the ACT, Victoria, Tasmania, south-eastern and southern South Australia and south-western Western Australia). Also naturalised on Lord Howe Island and Norfolk Island.
Naturalised overseas, including in large parts of North America (i.e. Canada and the USA) and on some Pacific islands (e.g. Hawaii).
Suckling clover (Trifolium dubium) is regarded as an environmental weed in Western Australia and Victoria.