122968
The plants are vulnerable to damage in such poor growing conditions as cold or low pH soil , and they are also more vulnerable to pests than the " C. robusta " plant .
 C. robusta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 C. robusta