diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..f81b444c75b687c5009aa407fd818692520e7c6b
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,7 @@
+Assay Name,Date,Trait,Value
+JHI-13-1-2,2024-09-04T09:50:02+0100,FlwCol_E_1to3,white
+JHI-13-1-2,2024-09-04T09:50:02+0100,PlntAlv_M_pcs,3
+JHI-186-2-3,2024-09-04T09:50:04+0100,FlwCol_E_1to3,white
+JHI-186-2-3,2024-09-04T09:50:04+0100,PlntAlv_M_pcs,2
+JHI-187-3-5,2024-09-04T09:50:07+0100,FlwCol_E_1to3,yellow
+JHI-187-3-5,2024-09-04T09:50:07+0100,PlntAlv_M_pcs,1515
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index e904a7896abceae8f9b8a4eadb2bdf6c56b282ed..b626df7bdd6ef90736687d63b8d5f4738ae09cd4 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ