Identify trees online for free

What Tree Is That?™ for iPhone & More

iPhone

The intuitive and award-winning What Tree Is That? tree identification guide is now more convenient than ever before.

As beautiful as it is helpful, What Tree Is That? for iPhone uses a step-by-step approach to identify more than 250 trees in the United States and Canada.

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For Other Mobile Devices

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Point your phone to arborday.org/smarttree. Easy, right? Indeed.