Trefoil knot | Greater Bird's-foot Trefoil | greater bird's-foot-trefoil | greater bird's-foot trefoil | Bird's-foot Trefoil |
Every knot is pass-equivalent to either the unknot or the trefoil; these two knots are not pass-equivalent and additionally, the right- and left-handed trefoils are pass-equivalent.
:or Bird's foot trefoil, a variety of Lotus: see Lotus (genus) or Lotus corniculatus
Rare plants include the Red Data Book (RDB) Orange Bird’s-foot (Ornithopus pinnatus) and the nationally scarce Hairy Bird’s-foot trefoil (Lotus subbiflorus).
Coleophora trifolii, the trefoil thick-horned tinea or large clover case-bearer, a moth species found in Europe, North Africa, Asia Minor, Afghanistan and North America
Here the nationally scarce species of Babington's Leek (Allium ampeloprasum) and Hairy Bird's-foot Trefoil (Lotus subbiflorus) grows, and a variety of invertebrates can be found.
Lotus glaber, the narrow-leaf bird's-foot trefoil, a flowering plant species native to western and southern Europe and southwest Asia
The classic Girl Scout cookie "Trefoils" are shortbread in the shape of the Girl Scout trefoil logo.
Located on London Clay, it has many flowers typical of clay pasture, such as greater bird's-foot-trefoil and burnet-saxifrage.