claim: American Library Association is the largest of its kind and it is in the world.
evidence: Monotropa is a genus of 5 species of herbaceous perennial flowering plants , formerly classified in the family Monotropaceae , but now included within the Ericaceae .. Ericaceae. Ericaceae. herbaceous. herbaceous. perennial. perennial plant. flowering plants. flowering plants. Monotropaceae. Monotropaceae. They are native to temperate regions of the Northern Hemisphere , but are generally scarce or rare .. Northern Hemisphere. Northern Hemisphere. Unlike most plants , they do not contain chlorophyll ; they are myco-heterotrophs , getting their food through parasitism upon fungi rather than photosynthesis .. chlorophyll. chlorophyll. myco-heterotrophs. myco-heterotrophs. parasitism. parasitism. fungi. fungus. photosynthesis. photosynthesis. Thus they are capable of living in very dark conditions , such as the floor of deep forests , because they do not need any sunlight .. They are among the few heterotrophic plants that have a vascular bundle .. vascular bundle. vascular bundle. Species. Monotropa hypopitys. Monotropa hypopitys. Monotropa hypopitys. Monotropa uniflora. Monotropa uniflora. Monotropa uniflora