Egeria (plant) particularly in Europe, fast-growing, adaptable plants such as "Egeria" can spread quickly and cause major damage to native plants and wildlife. Egeria (plant) Egeria is a genus of three species of aquatic plants in the family Hydrocharitaceae described as a genus in 1849. native to warm-temperate South America. The genus was formerly included in the related genus "Elodea", from which it differs in having the leaves in whorls of four or more, not three, and in having more conspicuous flowers with larger (particularly broader) petals. "Egeria" is found in many temperate and subtropical regions throughout the world as an introduced,
The Cruciferous Vegetable Amplification October 27, 2010; it had a weekly ranking of 20. It had a nightly ranking of 5. The TV Critic rated the episode 56 out of 100, stating that "the story is a solid idea" but that the writers were "overloading on Sheldon jokes". Todd VanDerWerff of "The A.V. Club" complimented the scene in the car, saying that Parson and Galecki's "chemistry was used to its fullest extent" and praising the inventive uses of the presence device. He gave it a B. Jenna Busch of IGN enjoyed the episode, rating it 8.5 out of 10. The Cruciferous Vegetable Amplification "The