diff --git a/.gitignore b/.gitignore
index 39c31b34abd2bd16b9c5af391368a2f712e725a6..5ef89f16a580c0cb8dd994d5abe0ba99c79b925a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-taxa+id_microorganisms.txt
 _attic/
 output/
 .snakemake/
diff --git a/check-taxonomy.plan b/check-taxonomy.plan
new file mode 100644
index 0000000000000000000000000000000000000000..0145527497a67e6b27b85c4a52774760fd09ec0a
--- /dev/null
+++ b/check-taxonomy.plan
@@ -0,0 +1,20 @@
+<alvisnlp-plan id="check-taxonomy">
+  <param name="taxo">
+    <alias module="read-taxonomy" param="dictFile"/>
+  </param>
+  
+  <param name="finish">
+    <alias module="finish" param="corpusFile"/>
+  </param>
+  
+  <read-taxonomy class="TabularProjector">
+    <targetLayerName>__dummy</targetLayerName>
+    <valueFeatures>,taxid,canonical-name,path,pos,rank,species-taxid,species-name</valueFeatures>
+  </read-taxonomy>
+
+  <finish class="TabularExport">
+    <outDir>.</outDir>
+    <lines>$</lines>
+    <columns>"checked"</columns>
+  </finish>
+</alvisnlp-plan>
diff --git a/dsmz-match.py b/dsmz-match.py
index 03379ddf7af2cc20d73cb3de90963a40761a5fcf..db0a2744e8876b4659c848f03d82c95f6aa78477 100755
--- a/dsmz-match.py
+++ b/dsmz-match.py
@@ -77,7 +77,7 @@ class BacDiveEntry:
         for sne in self.root.iterfind('./strain_availability/strains/list-item/strain_number'):
             if sne.text is None:
                 continue
-            yield from (snt.strip() for snt in re.split('[,\n]', sne.text))
+            yield from (' '.join(snt.strip().split()) for snt in re.split('[,\n]', sne.text))
         desig = self.root.findtext('./taxonomy_name/strains/list-item/designation')
         if desig is not None and desig != '':
             for d in re.split('[,;]', desig):
diff --git a/rewrite-taxonomy.snakefile b/rewrite-taxonomy.snakefile
index c7a2e2af8277cfebf76c478db245f7aa04aba8d6..f848e6cbf01a6da22e06302a8f721bdc346e1ebd 100644
--- a/rewrite-taxonomy.snakefile
+++ b/rewrite-taxonomy.snakefile
@@ -1,5 +1,18 @@
 configfile: 'config.yaml'
 
+
+rule check:
+    input:
+        config['OUTDIR'] + '/taxa+id_microorganisms.txt'
+
+    output:
+        config['OUTDIR'] + '/finish.txt'
+
+
+    shell:
+        '''{config[ALVISNLP]} -J-Xmx12G -alias taxo {input} -alias finish {output} check-taxonomy.plan'''
+
+
 rule microorganisms:
     output:
         config['OUTDIR'] + '/taxa+id_microorganisms.txt'