diff --git a/data/fields/diameter_crown.json b/data/fields/diameter_crown.json
new file mode 100644
index 000000000..3b7224d76
--- /dev/null
+++ b/data/fields/diameter_crown.json
@@ -0,0 +1,7 @@
+{
+    "key": "diameter_crown",
+    "type": "combo",
+    "label": "Crown diameter",
+    "snake_case": false,
+    "placeholder": "4 m, 9 ft, …"
+}
diff --git a/data/fields/genus.json b/data/fields/genus.json
new file mode 100644
index 000000000..281e8859d
--- /dev/null
+++ b/data/fields/genus.json
@@ -0,0 +1,7 @@
+{
+    "key": "genus",
+    "type": "combo",
+    "label": "Genus",
+    "snake_case": false,
+    "placeholder": "Acer, Platanus, Quercus …"
+}
diff --git a/data/fields/species.json b/data/fields/species.json
new file mode 100644
index 000000000..d11511b33
--- /dev/null
+++ b/data/fields/species.json
@@ -0,0 +1,7 @@
+{
+    "key": "species",
+    "type": "combo",
+    "label": "Species",
+    "snake_case": false,
+    "placeholder": "Acer platanoides, Quercus robur, …"
+}
diff --git a/data/fields/taxon.json b/data/fields/taxon.json
new file mode 100644
index 000000000..6bb407f72
--- /dev/null
+++ b/data/fields/taxon.json
@@ -0,0 +1,7 @@
+{
+    "key": "taxon",
+    "type": "combo",
+    "label": "Taxon",
+    "snake_case": false,
+    "placeholder": "Acer platanoides Columnare, Pyrus calleryana Chanticleer …"
+}
diff --git a/data/presets/natural/tree.json b/data/presets/natural/tree.json
index f0c33d980..f6dc584c5 100644
--- a/data/presets/natural/tree.json
+++ b/data/presets/natural/tree.json
@@ -5,11 +5,17 @@
         "leaf_cycle_singular",
         "denotation",
         "height",
-        "diameter"
+        "circumference"
     ],
     "moreFields": [
-        "circumference",
-        "species/wikidata"
+        "genus",
+        "species",
+        "species/wikidata",
+        "taxon",
+        "start_date",
+        "diameter_crown",
+        "diameter",
+        "name"
     ],
     "geometry": [
         "point",