diff --git a/src/envo/envo-edit.owl b/src/envo/envo-edit.owl
index 137ebfb5..7711773c 100644
--- a/src/envo/envo-edit.owl
+++ b/src/envo/envo-edit.owl
@@ -4001,6 +4001,11 @@ Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03600094>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03600095>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03600096>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605000>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605001>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605002>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605003>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605004>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_03605005>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_04000000>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_04000001>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_04000002>))
@@ -44939,6 +44944,36 @@ AnnotationAssertion(rdfs:comment <http://purl.obolibrary.org/obo/ENVO_03605000>
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605000> "periphytic biofilm"@en)
 SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605000> <http://purl.obolibrary.org/obo/ENVO_01000156>)
 
+# Class: <http://purl.obolibrary.org/obo/ENVO_03605001> (epilithon)
+
+AnnotationAssertion(Annotation(<http://purl.obolibrary.org/obo/IAO_0000119> "NEON.DOC.003044, revision E, title AOS Protocol and Procedure: AMC – Aquatic Microbial Sampling in https://data.neonscience.org/documents/10179/1883159/NEON.DOC.003044vE/05ca8fcc-33ba-a5b2-0e93-8f4001f38c37") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03605001> "Periphyton colonizing rock substrata")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605001> "epilithon"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605001> <http://purl.obolibrary.org/obo/ENVO_03605000>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_03605002> (epipelon)
+
+AnnotationAssertion(Annotation(<http://purl.obolibrary.org/obo/IAO_0000119> "NEON.DOC.003044, revision E, title AOS Protocol and Procedure: AMC – Aquatic Microbial Sampling in https://data.neonscience.org/documents/10179/1883159/NEON.DOC.003044vE/05ca8fcc-33ba-a5b2-0e93-8f4001f38c37") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03605002> "Periphyton colonizing silt substrata")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605002> "epipelon"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605002> <http://purl.obolibrary.org/obo/ENVO_03605000>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_03605003> (epiphyton)
+
+AnnotationAssertion(Annotation(<http://purl.obolibrary.org/obo/IAO_0000119> "NEON.DOC.003044, revision E, title AOS Protocol and Procedure: AMC – Aquatic Microbial Sampling in https://data.neonscience.org/documents/10179/1883159/NEON.DOC.003044vE/05ca8fcc-33ba-a5b2-0e93-8f4001f38c37") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03605003> "Periphyton colonizing surface of aquatic plants")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605003> "epiphyton"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605003> <http://purl.obolibrary.org/obo/ENVO_03605000>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_03605004> (epipsammon)
+
+AnnotationAssertion(Annotation(<http://purl.obolibrary.org/obo/IAO_0000119> "NEON.DOC.003044, revision E, title AOS Protocol and Procedure: AMC – Aquatic Microbial Sampling in https://data.neonscience.org/documents/10179/1883159/NEON.DOC.003044vE/05ca8fcc-33ba-a5b2-0e93-8f4001f38c37") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03605004> "Periphyton colonizing sand substrata")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605004> "epipsammon"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605004> <http://purl.obolibrary.org/obo/ENVO_03605000>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_03605005> (epixylon)
+
+AnnotationAssertion(Annotation(<http://purl.obolibrary.org/obo/IAO_0000119> "NEON.DOC.003044, revision E, title AOS Protocol and Procedure: AMC – Aquatic Microbial Sampling in https://data.neonscience.org/documents/10179/1883159/NEON.DOC.003044vE/05ca8fcc-33ba-a5b2-0e93-8f4001f38c37") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03605005> "Periphyton colonizing woody substrata")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03605005> "epixylon"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03605005> <http://purl.obolibrary.org/obo/ENVO_03605000>)
+
 # Class: <http://purl.obolibrary.org/obo/ENVO_04000000> (adfreezing)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "https://www.merriam-webster.com/dictionary/adfreezing") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_04000000> "Adfreezing is a freezing process during which two objects adhere to each other via ice.")