Rust (fungus) of the rust fungi "Cronartium ribicola", preventing the formation of basidiospores which infect the primary host. Although spores from white pines cannot infect other white pines, survival spores may overwinter on infected pines and reinfect "Ribes" spp. the following season. Infected tissue is removed from white pines and strict quarantines of "Ribes" spp. are maintained in high risk areas. "Puccinia graminis" is a macrocyclic heteroecious fungus that causes wheat stem rust disease. The repeating stage in this fungus occurs on wheat and not the alternate host, barberry. The repeating stage allows the disease to persist in wheat even though the
What Kind of an American are You? What Kind of an American are You? What Kind of an American are you?, also known as What Kind of American are you?, is a World War I era song released in 1917. Albert Von Tilzer composed the music. Lew Brown and Charles R. McCarron wrote the lyrics. The song was published by Broadway Music Co. of New York, New York. On the cover is a gray drawing of Uncle Sam pointing. A map of the United States is featured on the lower half of the cover. The song was written for voice and piano. The sheet music can be