15004
" Pā " ( fencing ) was made from the wood due to its availability ; " kauila " ( " Colubrina oppositifolia " or " Alphitonia ponderosa " ) , more durable woods when in contact with soil , was rarer .
 Colubrina oppositifolia, Alphitonia ponderosa
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:
 Colubrina oppositifolia, Alphitonia ponderosa