There are several tools available to help identify plants based on pictures. Here are some options:

• Pl@ntNet: This is a tool that helps identify plants with pictures. It is organized into different thematic and geographical floras, and is based on the World Checklist of Vascular Plants.

• PlantIn: This is an app that uses AI-powered scanning to recognize plant species from a photo. It provides instant plant species recognition, detection of plant diseases, and plant care information written by botanists.

• Plant.id: This is a free plant identification service based on machine learning. Users can take a photo, upload it, and instantly get a name and information about the plant.

• r/Whatsthisplant: This is a subreddit where users can upload photos of plants they would like identified. The community is made up of plant enthusiasts who are encouraged to help identify plants.

• PictureThis: This is an app that identifies over 1,000,000 plants every day with 98% accuracy. Users can take a photo of a plant and get information about it, including its name, care instructions, and more. The app also offers a premium version with additional features.

To identify a plant, take a clear photo of it and upload it to one of these tools. The tool will then use its database and machine learning algorithms to identify the plant and provide information about it.