Assertion: saffron's effect | /r/HasProperty | halstead
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Source sentences:
text: At the organismic level, for example, a variety of species, including pine, oat, mung bean, lettuce, cress, and Arabidopsis thaliana, showed decreased seedling, root, and shoot growth in low gravity, whereas lettuce grown on Cosmos showed the opposite effect of growth in space (Halstead and Scott 1990).