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" Howellia aquatilis " , the " water howellia " , is a small plant in the family Campanulaceae and was considered a threatened species between 1994 and 2019 .
 plant: Campanulaceae
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 plant: Campanulaceae