diff --git a/app/classes/inat_taxon.rb b/app/classes/inat_taxon.rb
index 1bda2c0d75..385cee4381 100644
--- a/app/classes/inat_taxon.rb
+++ b/app/classes/inat_taxon.rb
@@ -15,11 +15,7 @@ def initialize(inat_taxon)
   end
 
   def name
-    mo_names = Name.where(text_name: @inat_taxon[:name],
-                          rank: @inat_taxon[:rank].titleize).
-               # iNat doesn't have taxon names "sensu xxx"
-               # so don't map them to MO Names sensu xxx
-               where.not(Name[:author] =~ /^sensu /)
+    mo_names = matching_mo_names
     return Name.unknown if mo_names.none?
     return mo_names.first if mo_names.one?
 
@@ -30,4 +26,28 @@ def name
     # - might need a dictionary here
     Name.unknown
   end
+
+  #########
+
+  private
+
+  def matching_mo_names
+    return matching_complexes if complex?
+
+    Name.where(text_name: @inat_taxon[:name],
+               rank: @inat_taxon[:rank].titleize).
+      # iNat doesn't have taxon names "sensu xxx"
+      # so don't map them to MO Names sensu xxx
+      where.not(Name[:author] =~ /^sensu /)
+  end
+
+  def complex?
+    @inat_taxon[:rank] == "complex"
+  end
+
+  def matching_complexes
+    # text_names of MO groups include "group" or the like
+    Name.where(Name[:text_name] =~ /^#{@inat_taxon[:name]}/).
+      where(rank: "Group")
+  end
 end
diff --git a/app/controllers/observations/inat_imports_controller.rb b/app/controllers/observations/inat_imports_controller.rb
index 879f825b53..7ea5a56b1e 100644
--- a/app/controllers/observations/inat_imports_controller.rb
+++ b/app/controllers/observations/inat_imports_controller.rb
@@ -304,21 +304,7 @@ def add_namings(inat_obs)
                  user: user, value: 0).save
       end
 
-      naming = Naming.find_by(observation: @observation,
-                              name: @observation.name)
-
-      if naming.nil?
-        naming = Naming.new(observation: @observation,
-                            user: inat_manager,
-                            name: @observation.name)
-        naming.save
-        Vote.new(naming: naming, observation: @observation,
-                 user: inat_manager, value: 1).save
-      else
-        vote = Vote.find_by(naming: naming, observation: @observation)
-        vote.value = 1
-        vote.save
-      end
+      adjust_consensus_name_naming
     end
 
     def name_already_proposed?(name)
@@ -339,6 +325,24 @@ def naming_user(identification)
       end
     end
 
+    def adjust_consensus_name_naming
+      naming = Naming.find_by(observation: @observation,
+                              name: @observation.name)
+
+      if naming.nil?
+        naming = Naming.new(observation: @observation,
+                            user: inat_manager,
+                            name: @observation.name)
+        naming.save
+        Vote.new(naming: naming, observation: @observation,
+                 user: inat_manager, value: 1).save
+      else
+        vote = Vote.find_by(naming: naming, observation: @observation)
+        vote.value = 1
+        vote.save
+      end
+    end
+
     def add_inat_summmary_data(inat_obs)
       params = {
         target: @observation,
diff --git a/test/inat/README_INAT_EXAMPLES.md b/test/inat/README_INAT_EXAMPLES.md
index d6558d8616..d643610cd1 100644
--- a/test/inat/README_INAT_EXAMPLES.md
+++ b/test/inat/README_INAT_EXAMPLES.md
@@ -20,7 +20,7 @@ All data as of the time of importing. (The corresponding iNat Observation may ha
 | calostoma_lutescens.txt | [195434438](https://www.inaturalist.org/observations/195434438) | **0** | public |  |
 | ceanothus_cordulatus.txt | [219631412](https://www.inaturalist.org/observations/219631412) | 1 | public | **Plant** |
 | coprinus.txt | [213450312](https://www.inaturalist.org/observations/213450312) | 1 | **obscured** | Needs ID |
-| donadina_PNW01.txt | [212320801](https://www.inaturalist.org/observations/212320801) | 1 | public | **non-mo-style Provisional Species Name**, **DNA** |
+| donadina_PNW01.txt | [212320801](https://www.inaturalist.org/observations/212320801) | 1 | public | **non-mo-style Provisional Species Name (PNW)**, **DNA** |
 | evernia.txt | [216357655](https://www.inaturalist.org/observations/216357655) | 0 | public | Casual, lichen, no fields, place: Troutdale |
 | fuligo_septica.txt | [219783802](https://www.inaturalist.org/observations/219783802) | 1 | public | slime mold **Protozoa** Richmond, CA |
 | gyromitra_ancilis.txt | [216745568](https://www.inaturalist.org/observations/216745568) | 3 | public | **cc-by license**, **many projects**, US 20, Linn Co.|
@@ -34,6 +34,7 @@ All data as of the time of importing. (The corresponding iNat Observation may ha
 | somion_unicolor.txt | [**202555552**](https://www.inaturalist.org/observations/202555552) | 5 | public | Research Grade, Notes, Activity, >1 ID, 1 field (Mushroom Observer URL), **mirrored from MO** |
 | trametes.txt | [220370929](https://www.inaturalist.org/observations/220370929) | 2 | public | D. Miller observation with different collector; Notes; **Observation Fields: Collector**, place: 25th Ave NE, Seattle, WA, US, with huge error |
 | tremella_mesenterica.txt | [213508767](https://www.inaturalist.org/observations/213508767) | 1 | public | place: Lewisville, TX 75057, USA |
+| xeromphalina_campanella_complex.txt | [215969102](https://www.inaturalist.org/observations/215969102) | 2 | public | **Complex** |
 | zero_results.txt | n.a. | | n.a. | response with total_results: 0, to expose and prevent reversion of bug |
 
 ## TODO
diff --git a/test/inat/xeromphalina_campanella_complex.txt b/test/inat/xeromphalina_campanella_complex.txt
new file mode 100644
index 0000000000..15dbc7abb0
--- /dev/null
+++ b/test/inat/xeromphalina_campanella_complex.txt
@@ -0,0 +1 @@
+{"total_results":1,"page":1,"per_page":30,"results":[{"quality_grade":"needs_id","time_observed_at":null,"taxon_geoprivacy":null,"annotations":[],"uuid":"b46f6a82-b2cc-470a-82a2-9cee0869c1c5","observed_on_details":{"date":"2024-03-25","day":25,"month":3,"year":2024,"hour":0,"week":13},"id":215969102,"cached_votes_total":0,"identifications_most_agree":false,"created_at_details":{"date":"2024-05-15","day":15,"month":5,"year":2024,"hour":12,"week":20},"species_guess":"Xeromphalina campanella","identifications_most_disagree":false,"tags":[],"positional_accuracy":20,"comments_count":0,"site_id":1,"created_time_zone":"America/Los_Angeles","license_code":"cc-by-nc","observed_time_zone":"America/Los_Angeles","quality_metrics":[],"public_positional_accuracy":20,"reviewed_by":[260453],"oauth_application_id":806,"flags":[],"created_at":"2024-05-15T12:23:39-07:00","description":"Originally posted to Mushroom Observer on Mar. 25, 2024.","time_zone_offset":"-08:00","project_ids_with_curator_id":[],"observed_on":"2024-03-25","observed_on_string":"2024-03-25","updated_at":"2024-05-15T12:24:01-07:00","sounds":[],"place_ids":[1,10,536,9853,50422,59613,64421,64429,65360,65818,66741,67725,81864,92151,92665,96683,97394,111581,117097,119138,119925,122420,126432,133787,133966,152384,154697],"captive":false,"taxon":{"is_active":true,"ancestry":"48460/47170/47169/492000/50814/1094814/47167/785516/1529293/56253/1101286","min_species_ancestry":"48460,47170,47169,492000,50814,1094814,47167,785516,1529293,56253,1101286,1366848","endemic":false,"iconic_taxon_id":47170,"min_species_taxon_id":1366848,"threatened":false,"rank_level":11,"introduced":false,"native":false,"parent_id":1101286,"name":"Xeromphalina 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owner"],"site_id":1,"icon_url":"https://static.inaturalist.org/attachments/users/icons/260453/medium.jpg?1569617224"}}],"num_identification_agreements":0,"preferences":{"prefers_community_taxon":null},"comments":[],"map_scale":null,"uri":"https://www.inaturalist.org/observations/215969102","project_ids":[4639],"community_taxon_id":null,"geojson":{"type":"Point","coordinates":[-122.7013,45.3924]},"owners_identification_from_vision":false,"identifications_count":0,"obscured":false,"num_identification_disagreements":0,"geoprivacy":null,"location":"45.3924,-122.7013","votes":[],"spam":false,"user":{"id":260453,"login":"jdcohenesq","spam":false,"suspended":false,"created_at":"2016-06-17T00:32:01+00:00","site_id":1,"login_autocomplete":"jdcohenesq","login_exact":"jdcohenesq","name":"","name_autocomplete":"","orcid":null,"icon":"https://static.inaturalist.org/attachments/users/icons/260453/thumb.jpg?1569617224","observations_count":2499,"identifications_count":730,"journal_posts_count":0,"activity_count":3229,"species_count":579,"annotated_observations_count":1,"universal_search_rank":2499,"roles":["app 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Puddu","url":"https://inaturalist-open-data.s3.amazonaws.com/photos/7018635/square.jpg","original_dimensions":{"height":533,"width":800},"flags":[],"square_url":"https://inaturalist-open-data.s3.amazonaws.com/photos/7018635/square.jpg","medium_url":"https://inaturalist-open-data.s3.amazonaws.com/photos/7018635/medium.jpg"},"taxon_changes_count":0,"taxon_schemes_count":0,"observations_count":5151471,"flag_counts":{"resolved":0,"unresolved":0},"current_synonymous_taxon_ids":null,"atlas_id":null,"complete_species_count":null,"wikipedia_url":null,"iconic_taxon_name":"Fungi"},{"id":47167,"rank":"order","rank_level":40,"iconic_taxon_id":47170,"ancestor_ids":[48460,47170,47169,492000,50814,1094814,47167],"is_active":true,"name":"Agaricales","parent_id":1094814,"ancestry":"48460/47170/47169/492000/50814/1094814","extinct":false,"default_photo":{"id":7259109,"license_code":"cc-by-nc","attribution":"(c) brian_nz, some rights reserved (CC BY-NC), uploaded by 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\ No newline at end of file
diff --git a/test/models/inat_taxon_test.rb b/test/models/inat_taxon_test.rb
index 816c266304..ce7bd9e17b 100644
--- a/test/models/inat_taxon_test.rb
+++ b/test/models/inat_taxon_test.rb
@@ -18,6 +18,27 @@ def test_name_basic
                  "Incorrect MO Name for iNat identification")
   end
 
+  def test_complex
+    user = rolf
+    x_campanella_group = Name.new(
+      rank: "Group",
+      text_name: "Xeromphalina campanella group",
+      search_name: "Xeromphalina campanella group",
+      display_name: "**__Xeromphalina campanella__** group",
+      sort_name: "Xeromphalina campanella   group",
+      citation: "\"??Mycologia?? 107(6): 1270\":" \
+                "https://www.tandfonline.com/doi/full/10.3852/15-087 (2017)",
+      user: user
+    )
+    x_campanella_group.save
+
+    mock_inat_obs = mock_observation("xeromphalina_campanella_complex")
+    inat_taxon = InatTaxon.new(mock_inat_obs.inat_taxon)
+
+    assert_equal(x_campanella_group, inat_taxon.name,
+                 "Incorrect MO Name for iNat community id")
+  end
+
   ########
 
   private