# A tibble: 399 x 2
   SpCode   biomass
   <fct>      <dbl>
 1 Acaccaes   312. 
 2 Acaccate  3365. 
 3 Acacchun    35.0
 4 Acacleuc   508. 
 5 Acacpenn  4983. 
 6 Acacsinu  3646. 
 7 Acrofrax 17899. 
 8 Actiangu 20778. 
 9 Actibour  9055. 
10 Actimala 34278. 
# … with 389 more rows