diff --git a/app/classes/query/collection_number_base.rb b/app/classes/query/collection_number_base.rb
index 969a637dfd..538b107f27 100644
--- a/app/classes/query/collection_number_base.rb
+++ b/app/classes/query/collection_number_base.rb
@@ -20,30 +20,17 @@ def parameter_declarations
     )
   end
 
-  # rubocop:disable Metrics/AbcSize
   def initialize_flavor
     add_owner_and_time_stamp_conditions("collection_numbers")
     add_for_observation_condition
+    initialize_observations_parameter
     add_pattern_condition
-    add_id_condition("observation_collection_numbers.observation_id",
-                     params[:observations], :observation_collection_numbers)
     add_exact_match_condition("collection_numbers.name", params[:name])
     add_exact_match_condition("collection_numbers.number", params[:number])
     add_search_condition("collection_numbers.name", params[:name_has])
     add_search_condition("collection_numbers.number", params[:number_has])
     super
   end
-  # rubocop:enable Metrics/AbcSize
-
-  def add_for_observation_condition
-    return if params[:observation].blank?
-
-    obs = find_cached_parameter_instance(Observation, :observation)
-    @title_tag = :query_title_for_observation
-    @title_args[:observation] = obs.unique_format_name
-    where << "observation_collection_numbers.observation_id = '#{obs.id}'"
-    add_join(:observation_collection_numbers)
-  end
 
   def search_fields
     "CONCAT(" \
diff --git a/app/classes/query/external_link_base.rb b/app/classes/query/external_link_base.rb
index 4bc470e9f6..c79e9716bc 100644
--- a/app/classes/query/external_link_base.rb
+++ b/app/classes/query/external_link_base.rb
@@ -18,7 +18,7 @@ def parameter_declarations
 
   def initialize_flavor
     add_owner_and_time_stamp_conditions("external_links")
-    add_id_condition("external_links.observation_id", params[:observations])
+    initialize_observations_parameter(:external_links)
     add_id_condition("external_links.external_site_id",
                      lookup_external_sites_by_name(params[:external_sites]))
     add_search_condition("external_links.url", params[:url])
diff --git a/app/classes/query/herbarium_record_base.rb b/app/classes/query/herbarium_record_base.rb
index 33c9311317..85e0ef0be5 100644
--- a/app/classes/query/herbarium_record_base.rb
+++ b/app/classes/query/herbarium_record_base.rb
@@ -26,8 +26,6 @@ def parameter_declarations
 
   def initialize_flavor
     add_owner_and_time_stamp_conditions("herbarium_records")
-    add_for_observation_condition
-    add_in_herbarium_condition
     add_pattern_condition
     initialize_association_parameters
     initialize_boolean_parameters
@@ -36,14 +34,11 @@ def initialize_flavor
     super
   end
 
-  def add_for_observation_condition
-    return if params[:observation].blank?
-
-    obs = find_cached_parameter_instance(Observation, :observation)
-    @title_tag = :query_title_for_observation
-    @title_args[:observation] = obs.unique_format_name
-    where << "observation_herbarium_records.observation_id = '#{obs.id}'"
-    add_join(:observation_herbarium_records)
+  def initialize_association_parameters
+    add_in_herbarium_condition
+    initialize_herbaria_parameter([])
+    add_for_observation_condition
+    initialize_observations_parameter
   end
 
   def add_in_herbarium_condition
@@ -55,21 +50,6 @@ def add_in_herbarium_condition
     where << "herbarium_records.herbarium_id = '#{herbarium.id}'"
   end
 
-  def search_fields
-    "CONCAT(" \
-      "herbarium_records.initial_det," \
-      "herbarium_records.accession_number," \
-      "COALESCE(herbarium_records.notes,'')" \
-      ")"
-  end
-
-  def initialize_association_parameters
-    add_id_condition("herbarium_records.herbarium_id",
-                     lookup_herbaria_by_name(params[:herbaria]))
-    add_id_condition("observation_herbarium_records.observation_id",
-                     params[:observations], :observation_herbarium_records)
-  end
-
   def initialize_boolean_parameters
     add_boolean_condition("COALESCE(herbarium_records.notes,'') != ''",
                           "COALESCE(herbarium_records.notes,'') = ''",
@@ -92,6 +72,14 @@ def initialize_search_parameters
                          params[:accession_number_has])
   end
 
+  def search_fields
+    "CONCAT(" \
+      "herbarium_records.initial_det," \
+      "herbarium_records.accession_number," \
+      "COALESCE(herbarium_records.notes,'')" \
+      ")"
+  end
+
   def self.default_order
     "herbarium_label"
   end
diff --git a/app/classes/query/image_base.rb b/app/classes/query/image_base.rb
index 8839732d64..e939b741fc 100644
--- a/app/classes/query/image_base.rb
+++ b/app/classes/query/image_base.rb
@@ -74,22 +74,15 @@ def initialize_association_parameters
                        params[:observations], :observation_images)
       add_where_condition("observations", params[:locations],
                           :observation_images, :observations)
-      add_project_conditions
-      add_id_condition(
-        "species_list_observations.species_list_id",
-        lookup_species_lists_by_name(params[:species_lists]),
-        :observation_images, :observations, :species_list_observations
+      add_for_project_condition(:project_images)
+      initialize_projects_parameter(:project_images, [:project_images])
+      initialize_species_lists_parameter(
+        :species_list_observations,
+        [:observation_images, :observations, :species_list_observations]
       )
       add_id_condition("images.license_id", params[:license])
     end
 
-    def add_project_conditions
-      add_for_project_condition(:project_images)
-      add_id_condition("project_images.project_id",
-                       lookup_projects_by_name(params[:projects]),
-                       :project_images)
-    end
-
     def initialize_image_parameters
       add_search_condition("images.copyright_holder",
                            params[:copyright_holder_has])
diff --git a/app/classes/query/modules/associations.rb b/app/classes/query/modules/associations.rb
index 5646070cc4..c5bacc1724 100644
--- a/app/classes/query/modules/associations.rb
+++ b/app/classes/query/modules/associations.rb
@@ -4,11 +4,14 @@ module Query
   module Modules
     # Helper methods for turning Query parameters into SQL conditions.
     module Associations
-      def initialize_herbaria_parameter
+      def initialize_herbaria_parameter(
+        joins = [:observations, :observation_herbarium_records,
+                 :herbarium_records]
+      )
         add_id_condition(
           "herbarium_records.herbarium_id",
           lookup_herbaria_by_name(params[:herbaria]),
-          :observations, :observation_herbarium_records, :herbarium_records
+          *joins
         )
       end
 
@@ -51,6 +54,25 @@ def add_is_collection_location_condition_for_locations
         where << "observations.is_collection_location IS TRUE"
       end
 
+      def add_for_observation_condition(
+        table = :"observation_#{model.table_name}", joins = [table]
+      )
+        return if params[:observation].blank?
+
+        obs = find_cached_parameter_instance(Observation, :observation)
+        @title_tag = :query_title_for_observation
+        @title_args[:observation] = obs.unique_format_name
+        where << "#{table}.observation_id = '#{obs.id}'"
+        add_join(*joins)
+      end
+
+      def initialize_observations_parameter(
+        table = :"observation_#{model.table_name}", joins = [table]
+      )
+        add_id_condition("#{table}.observation_id", params[:observations],
+                         *joins)
+      end
+
       def add_for_project_condition(table = model.table_name, joins = [table])
         return if params[:project].blank?
 
diff --git a/app/classes/query/name_base.rb b/app/classes/query/name_base.rb
index cfba73b761..4eb963e247 100644
--- a/app/classes/query/name_base.rb
+++ b/app/classes/query/name_base.rb
@@ -125,11 +125,7 @@ def initialize_ok_for_export_parameter
     def initialize_association_parameters
       add_id_condition("observations.id", params[:observations], :observations)
       add_where_condition("observations", params[:locations], :observations)
-      add_id_condition(
-        "species_list_observations.species_list_id",
-        lookup_species_lists_by_name(params[:species_lists]),
-        :observations, :species_list_observations
-      )
+      initialize_species_lists_parameter
     end
 
     def initialize_boolean_parameters
diff --git a/app/classes/query/sequence_base.rb b/app/classes/query/sequence_base.rb
index 7a2ea90496..74c51cefa8 100644
--- a/app/classes/query/sequence_base.rb
+++ b/app/classes/query/sequence_base.rb
@@ -88,7 +88,7 @@ def search_fields
     end
 
     def initialize_association_parameters
-      add_id_condition("sequences.observation_id", params[:observations])
+      initialize_observations_parameter(:sequences)
       initialize_observers_parameter
       add_where_condition("observations", params[:locations], :observations)
       initialize_herbaria_parameter