Brown Bear, Brown Bear, What Do You See? White Dog, Black Sheep, a Goldfish, a Teacher or a Mother, and Students or Children. The 1984 British edition of the book substitutes a monkey for the teacher. Carle explained that variations in text between editions (mostly on the last page) were due to Martin, and that he made new illustrations to go with the changes. Carle and Martin published three spin-off books: "Polar Bear, Polar Bear, What Do You Hear?" (1991) uses zoo animals and sounds; "Panda Bear, Panda Bear, What Do You See?" (2003), endangered species; and "Baby Bear, Baby Bear, What Do You See?" (2007), North American
Sooty blotch and flyspeck causes of sooty blotch on North Carolina apples, still based on their morphological type: Peltaster fructicola, Geastrumia polystigmatis and Leptodontium elatius. The authors broke ground after 160 years of "confusion", stating that "sooty blotch fungi are difficult to isolate due to many contaminating microorganisms on the surface of plant parts". Also, fruiting structures -a major part of morphological identification- are rare on apple peels. The authors went back to the original historical deposits at the herbarium of the Academy of Natural Sciences in Philadelphia and found no conidia. They coined the term 'apple sooty blotch complex' for this group of