id	species	time.point	height
a01	A	year1	166
a02	A	year1	168
a03	A	year1	155
a04	A	year1	159
a05	A	year1	151
b01	B	year1	166
b02	B	year1	170
b03	B	year1	160
b04	B	year1	162
b05	B	year1	153
a01	A	year2	220
a02	A	year2	230
a03	A	year2	223
a04	A	year2	233
a05	A	year2	229
b01	B	year2	262
b02	B	year2	274
b03	B	year2	267
b04	B	year2	283
b05	B	year2	274
a01	A	year3	261
a02	A	year3	275
a03	A	year3	264
a04	A	year3	280
a05	A	year3	282
b01	B	year3	343
b02	B	year3	354
b03	B	year3	351
b04	B	year3	359
b05	B	year3	349
a01	A	year4	297
a02	A	year4	311
a03	A	year4	305
a04	A	year4	315
a05	A	year4	303
b01	B	year4	375
b02	B	year4	399
b03	B	year4	388
b04	B	year4	405
b05	B	year4	395