Trifolium is not a valid species
Did you mean one of the species from the following list?
Trifolium albopurpureum - 1 collection objects
Trifolium angustifolium - 7 collection objects
Trifolium arvense - 9 collection objects
Trifolium campestre - 4 collection objects
Trifolium cernuum - 2 collection objects
Trifolium cyathiferum - 1 collection objects
Trifolium depauperatum - 1 collection objects
Trifolium dichotomum - 1 collection objects
Trifolium dubium - 9 collection objects
Trifolium fragiferum - 5 collection objects
Trifolium fucatum - 1 collection objects
Trifolium glomeratum - 4 collection objects
Trifolium hirtum - 1 collection objects
Trifolium hybridum - 3 collection objects
Trifolium incarnatum - 3 collection objects
Trifolium kingii - 1 collection objects
Trifolium microdon - 1 collection objects
Trifolium olivaceum - 1 collection objects