Acer rubrum Adam Khan Al Wells Anne Rintoul Khan bees Betty Rintoul Blue Flowers blue pollen Bok Choy Brassica rapa chinensis Carol Heinemann Charlotte Heinemann Dandelion David A. Rintoul David J. Heinemann Earl Q. Adams Echium vulgare Elizabeth Dodd Flowering apricot Gillian Adams Helen Wells James Jeff Wells John Rintoul Jolene Wells Lester Heinemann Marie Heinemann Frahm Mary Rintoul Mildred Rintoul pale yellow pollen Pat Peschka Pink Flowers Prunus mume Purple Flowers Ray Heinemann Red Maple red-orange pollen Ronald Wells Scilla siberica Siberian Squill Stokes' Aster Stokesia laevis Taraxacum officinale Viper's Bugloss White Pollen Yellow Flowers yellow pollen yellow-green pollen