Lactarius repraesentaneus namely repraesentins B and C. These compounds were shown to promote the radicle elongation of lettuce seedlings by 136%, 118% and 184% at 67 ppm, respectively. Other compounds reported in 2006 are repraesentins D, E, and F. Repraesentin E showed the strongest growth promotion activity, 164% at 3.6 µm, of the three compounds toward the radicle elongation of lettuce seedlings. Lactarius repraesentaneus Lactarius repraesentaneus, commonly known as the northern bearded milkcap, the northern milkcap, or the purple-staining milkcap, is a species of fungus in the Russulaceae family. It has a northerly distribution, and is found in temperate regions of North
Jon Beck Shank which he admitted that this view was largely a result of his association with Shank. Another of Shank's students was Anne Waldman who has mentioned him being a scholar of the works of Wallace Stevens. Jon Beck Shank Jon Beck Shank (1919-1977) was a Mormon poet and a high school English teacher in New York City. Shank studied at Brigham Young University. While at BYU Shank collaborated with Davis Bitton on a theatrical production. Shank was a native of Pennsylvania and a convert to The Church of Jesus Christ of Latter-day Saints.. Shank died in 1977. In 1945 Shank had