distinguish

mark as different; "We distinguish several kinds of maple"

detect with the senses; "The fleeing convicts were picked out of the darkness by the watchful prison guards"; "I can't make out the faces in this photograph"

be a distinctive feature, attribute, or trait; sometimes in a very positive sense; "His modesty distinguishes him from his peers"

make conspicuous or noteworthy

identify as in botany or biology, for example