Tapesia yallundae sp., "Avena fatua", "Avena sativa", "Avena" sp., "Balsamorhiza" sp., "Bromus carinatus", "Bromus inermis", "Bromus japonicus", "Bromus sterilis", "Bromus tectorum", "Delphinium" sp., "Festuca idahoensis", "Hordeum distichon", "Hordeum vulgare", "Koeleria cristata", "Lithospermum ruderale", "Lomatium triternatum", "Poa sandbergii", "Poa secunda", "Secale cereale", "Sitanion hystrix", "Trisetum aestivum", "Triticum aestivum", "Triticum dicoccum", "Triticum durum", "Triticum monococcum", "Triticum" sp., "Triticum spelta", "Triticum vulgare" 1. USDA ARS Fungal Database Eyespot of wheat; eyespot of barley; eyespot of rye. 1. USDA ARS Fungal Database<br> 2. <br> 3. <br> 4. <br> 5. Tapesia yallundae Tapesia yallundae is the causal agent for a variety of cereal and forage grass diseases.
Crop circle Crop circle A crop circle or crop formation is a pattern created by flattening a crop, usually a cereal. The term was first coined in the early 1980s by Colin Andrews. Crop circles have been described as all falling "within the range of the sort of thing done in hoaxes" by Taner Edis, professor of physics at Truman State University. Although obscure natural causes or alien origins of crop circles are suggested by fringe theorists, there is no scientific evidence for such explanations, and all crop circles are consistent with human causation. A person who studies crop circles is known