If I select giant ragweed and upload the photo, other users can confirm or provide alternative identifications. Based only on the photo, there is a level of certainty that the plant is in the Ambrosia genus, with the top suggestion being the correct ID of giant ragweed. ![]() If it works for you like it has for me, the app will make you look really smart once in a while.įigure: Screenshot of a giant ragweed photo uploaded into iNaturalist. At the very least, this app should enhance your identification skills. You can also share photos to plant identification groups on Facebook (e.g. I haven’t tried it on many crop diseases or insect pests, but it does have the capacity to identify fungi and insects as well. To quickly identify a weed, you can consult the interactive key below. In that case, your task of recognizing that plant should be pretty straightforward. Suppose that the weed has at least some distinctive features, like particular leaf structure, flowers, thick or tall stalk, unique seeds, or other particularities. You can test it out now by using pictures saved from last year. One of the easiest ways to identify weeds is by photo. I encourage everyone to try the app this field season. As long as you take good pictures, the crowdsourcing function should generate a positive ID for you or confirm the ID you come up with. This at least sped up the process of using a weed-ID key or guidebook to make a positive ID. In trying it last summer, however, even difficult identifications would at least key to the genus-level with the photo-recognition aspect. Finally, you can upload the photo so other users can confirm your ID or provide other suggestions via crowdsourcing.Īt first I was skeptical that an app like this would actually be useful. The app then provides descriptions and pictures of the “likely” matches to help determine what the species might be. The app / website works by using facial recognition software and machine-learning to provide an instantaneous “likely” ID based on what the software matches the picture to. While it can be used to help identify nearly any species, it works especially well to identify weeds. Last summer I was introduced to an app / website called iNaturalist, a tool commonly used by those working in natural resources. ![]() By Jared Goplen – Extension Educator, Crops
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