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Moss-Like Growth on Trees: Epiphyte, Not Parasite

Is That Moss Killing Your Trees?

What looks like a parasitic moss is often an epiphytic lichen or bryophyte that grows on bark without harming the tree. Tree decline is usually due to other factors (drought, disease, insects).

Get a Positive ID

Contact your county extension or a forestry agency for identification. Send clear photos. True parasitic plants like mistletoe are different.

Plant Diseases: Black Knot Disease on Prunus (Plum/Cherry): Hard Black Galls on Branches—Prune or Remove Tree; Moss on Brick Patio: Herbicide or Acceptance; Managing Moss in a Shady, Cool-Climate Lawn; Mossy Soil in LA Flower Beds: Benign, Even Attractive; Managing Blackened Sphagnum Moss in Bogs: Top-Watering and Species Considerations; Dealing with Moss Before Converting a Field to a Garden; Controlling Moss in Shady Lawns: The Limestone Solution; Moss Control: Dry It Out, Then Decide; Managing Moss in Pavers and Organic Fertilizer Alternatives; Sphagnum Moss: Biology, Benefits & Bog Gardening Guide

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