diff --git a/test_data_sets/4C_testing/test_flagm6/site10.ini b/test_data_sets/4C_testing/test_flagm6/site10.ini
new file mode 100644
index 0000000000000000000000000000000000000000..2d527c35840ee2d4be5fd1b4cc68798cb1e8a98f
--- /dev/null
+++ b/test_data_sets/4C_testing/test_flagm6/site10.ini
@@ -0,0 +1,44 @@
+1       3333. ! = volume function, patch size
+! sapwood fraction and form factor now dynamic per cohort
+! 4C Tree Initialization File (Stand)
+!
+! contains the following data (single tree values):
+!
+! x_fol:   foliage biomass (kg)
+! x_frt:   fine root biomass (kg)
+! x_sap:   sapwood biomass (kg)
+! x_hrt:   heartwood biomass (kg)
+! x_Ahb:   cross sectional area of heartwood at stem base (cm**2)
+! height:  tree height (cm)
+! x_hbole: bole height (cm)
+! x_age:   tree age (years)
+! n:       number of trees
+! sp:      species (integer number)
+! DC:      diameter at crown base
+! DBH:      diameter at breast height
+!
+!     x_fol       x_frt       x_sap       x_hrt       x_Ahb     height   x_hbole  x_age      n     sp     DC         DBH
+     5.72228     5.72228    78.12456    27.93653   134.68707     2000.     1541.     73      1      3    12.07135    17.30000
+     7.04822     7.04822   103.55642    36.67744   164.56868     2158.     1656.     73      4      3    13.39711    19.20000
+     8.03498     8.03498   115.03159    40.69460   188.23296     2117.     1606.     73      3      3    14.30420    20.50000
+     8.77086     8.77086   132.64368    46.66637   204.25226     2235.     1697.     73     11      3    14.94488    21.41818
+     9.45928     9.45928   144.96671    50.87639   220.00807     2269.     1718.     73      7      3    15.52031    22.24286
+    10.53310    10.53310   163.03773    57.01669   244.78606     2299.     1731.     73     14      3    16.37754    23.47143
+    11.34714    11.34714   178.53293    62.27585   263.29419     2340.     1758.     73     13      3    16.99863    24.36154
+    12.22942    12.22942   195.73778    68.10561   283.30759     2384.     1787.     73     11      3    17.64711    25.29091
+    13.51974    13.51974   218.85094    75.93498   312.90863     2418.     1804.     73     12      3    18.55473    26.59167
+    14.53812    14.53812   236.70743    81.98047   336.33389     2437.     1812.     73     12      3    19.24087    27.57500
+    15.54073    15.54073   254.90938    88.12837   359.31186     2459.     1823.     73     10      3    19.89328    28.51000
+    16.82258    16.82258   282.63306    97.42941   388.08502     2521.     1866.     73      8      3    20.69745    29.66250
+    17.69633    17.69633   296.90967   102.25256   408.34052     2522.     1861.     73     13      3    21.22816    30.42308
+    18.85109    18.85109   318.09943   109.38177   434.79706     2541.     1870.     73     11      3    21.90982    31.40000
+    20.23644    20.23644   341.48682   117.21051   466.81540     2547.     1867.     73      6      3    22.70061    32.53333
+    21.20144    21.20144   368.48340   126.15891   487.72980     2622.     1924.     73      5      3    23.23555    33.30000
+    22.94587    22.94587   389.88730   133.46042   529.08704     2573.     1876.     73      7      3    24.17256    34.64286
+    24.36764    24.36764   428.09900   146.09760   560.14478     2660.     1940.     73      1      3    24.91019    35.70000
+    25.40224    25.40224   404.03030   138.59909   589.78125     2425.     1748.     73      2      3    25.43351    36.45000
+    26.88683    26.88683   473.82404   161.40234   617.97766     2675.     1942.     73      2      3    26.16617    37.50000
+    28.19289    28.19289   476.37503   162.49887   650.68671     2575.     1857.     73      2      3    26.79416    38.40000
+    29.83124    29.83124   512.62433   174.53583   687.43195     2620.     1888.     73      2      3    27.56170    39.50000
+    33.08748    33.08748   539.43970   183.92981   766.62286     2500.     1784.     73      1      3    29.02700    41.60000
+    36.67966    36.67966   651.80090   220.69354   842.86877     2720.     1947.     73      1      3    30.56208    43.80000