Photo Quiz: Shop vacuum on turf, snow-like material on turf

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Strangely shaped frost circle, semi-circular holes on turf

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Strange shaped mark on green, off-colored areas

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Irregular lifted spots, powder on trees

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Uneven surface, worn area by tee

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Piles of material, brown areas on greens

Can you identify the sources of these mysterious turf issues?

Photo Quiz: Black area, holes in green

Do you have what it takes to identify the sources of these turf troubles?

Photo Quiz: Uneven greens, dead turf

Rolling mounds and stripes of dead turf make up this month's mysteries.

Photo Quiz: Visible rhizomes, dark blue turf stain

Turf discoloration characterizes the two mysteries in this month's photo quiz.

Photo Quiz: Clear objects on turf, strange slime on turf

Round, clear objects covering a fairway and mysterious slime on a putting green make up this month's challenges.

Photo quiz: fuzzy white spots on turf, green ripples

Unexpected fuzzy patches and strange green ripples make up this month's turf brainteasers.

Photo quiz: darker green, irregular brown areas

A divided rough and strange marks on a practice area make up this month's turf mysteries.

Photo Quiz: Brown circles on turf, multiple lines and numbers

Think you know the cause of these turf issues? Test your knowledge in this month’s Photo Quiz.

Photo Quiz: Indentations across green, irregular brown line

Think you know the cause of these turf issues? Test your knowledge in this month’s Photo Quiz.

Photo Quiz: Irregular brown areas, partially obscured sign

Think you know the cause of these turf issues? Test your knowledge in this month’s Photo Quiz.

Photo Quiz: Irregular brown areas, trees with vascular bundle issues

Think you know the cause of these turf and tree issues? Put your knowledge to the test in this month’s Photo Quiz.

Photo Quiz: Flood remnants, tan patches on green

Calling all turf buffs: Have a go at deciphering this pair of puzzling occurrences.

Photo Quiz: Brown line on fairway, ridges on collar

Can you figure out what caused these two on-course conundrums? Test your smarts in this month’s Photo Quiz.

Photo Quiz: Various lines on tees

Mysterious lines traversing two tees are the topic of this month’s Photo Quiz. Can you tell what left each set of stripes?

Photo Quiz: Holes in bunker, indentations on green

Hazard a guess as to what produced this pair of odd golf course sights.