Frogeye leaf spot (FLS) is a fungal disease named for its signature visual pattern: an eye-like circular or angular lesion on leaves of infected plants. The small spots of this soybean leaf disease ...

Leaf miners are just one of the many pests that affect our gardens. The two leaf miner types most often found in Marin are the Liriomyza spp., a mostly black and yellow fly with clear wings, and ...

Prevention is key to managing this widespread plant disease.

Fossil plants reveal the evolution of green life on Earth, but the most abundant samples that are found -- fossil leaves -- are also the most challenging to identify. A large, open-access visual leaf ...

RICHMOND, Va. (WRIC) — Most of us have heard the old saying, likely from adults trying to protect us when we were young and inexperienced: “Leaves of three, let it be.” But is that truly an accurate ...

In just a decade, this unusual disease has spread from Ohio across the Northeast. Scientists are testing treatments, but answers come slowly. Backlit leaves of an American beech tree show dark bands, ...

Quiz: Can you identify this tree from its leaf? Do you think you have a good handle on identifying trees by merely looking at their leaves? Do you know the difference between coniferous and deciduous, ...