When you think of luck, what comes to mind? Many people have heard the expression "finding a four-leaf clover," but how common are four-leaf clovers in
Bob's Brain on Botany --early to mid-June, 2008
Will the real four-leaf clover please stand up?! - Fort Worth
Breeding of four-leaf white clover (Trifolium repens L.) through
Fabaceae-clover-xinv – MonFlora
four leaf clover Sewanee Herbarium
Clovers
Will the real four-leaf clover please stand up?! - Fort Worth
Is it possible to breed four-leaf clovers? - Quora
Facts about Four-leaf Clovers
File:2016-05-03 18 21 49 Four-leaf clover within a spread of White
The Odds of Finding a Four-Leaf Clover Revisited: How Do Some
Fabaceae-clover-xinv – MonFlora
Four leaf clover and other wild flowers with garden cousins