Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_20913 ( "Central Forest Reserve" text, "Size in km\u00b2" real, "Total plant species" real, "Tree species" real, "Endemic" real, "Threatened (CR,VU,EN)" real )

### Question ###
How many tree species are listed when the total plant species is 258?

### Accurate SQL ###

SELECT "Tree species" FROM table_20913 WHERE "Total plant species" = '258'