Trout lilies (Erythronium americanum) exhibit striking variation in pollen colour, from deep brick red to bright lemon yellow. By submitting your observations to this project, you can help us learn why and how pollen colour varies, and improve our understanding of this charismatic member of the Eastern North America spring forest. To contribute observations, you will first need to ''join'' the project by clicking on the ''Join'' button below, and creating a free account. Once you''re logged in, click on the ''submit data'' tab below, and then press the ''Enter Data'' button.
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