Based on the clue 'a plant animal or object thats the symbol of a cla...', what is the answer?

Based on the clue 'a planet of our solar system', what is the answer? What is associated with: a planetarium in this capital bears the name of christa mcauliffe who died in the 1986 challen… Based on the clue 'a planetary satellite half a shilling', what is the answer? Based on the clue 'a plant also called checkerberry or the oil made f...', what is the answer? Based on the clue 'a plant apium graveolens of the parsley family', what is the answer? Based on the clue 'a plant belonging to the genus angallis especially...', what is the answer? What is referred to by 'a plant biologist'? Based on the clue 'a plant disease known in the us as this smut creat...', what is the answer?