diff --git a/assays/with-observation-units/datasets/phenotyping.csv b/assays/with-observation-units/datasets/phenotyping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..a04d51ccd38b1149d813ea20e789215d83ae3178
--- /dev/null
+++ b/assays/with-observation-units/datasets/phenotyping.csv
@@ -0,0 +1,6 @@
+Assay Name,Date,Trait,Value
+Heris-1-1,2024-09-24T08:32:54+0200,AwnTip_M_date,2024-09-24
+Heris-1-1,2024-09-24T08:32:54+0200,Head_M_date,2024-09-23
+Heris-1-1,2024-09-24T08:32:54+0200,Mat_M_date,2024-09-25
+Heris-1-1,2024-09-24T08:32:54+0200,PlntHght_M_cm,142
+Heris-1-1,2024-09-24T08:32:54+0200,RwTyp_E_1to2,6-rowed
diff --git a/assays/with-observation-units/isa.assay.xlsx b/assays/with-observation-units/isa.assay.xlsx
index 824ca2f5f74ac7bba53de713ee2ea397b70861d8..944d7484fbef63d369109e55a5aa08c09cdb53d1 100644
Binary files a/assays/with-observation-units/isa.assay.xlsx and b/assays/with-observation-units/isa.assay.xlsx differ