diff --git a/Gemfile b/Gemfile
index 3f4318236..3802d0dde 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,7 +79,6 @@ gem 'bootstrap-datepicker-rails'
 gem 'omniauth'
 gem 'omniauth-twitter'
 gem 'omniauth-flickr'
-gem 'authbuttons-rails'
 
 # for phusion passenger (i.e. mod_rails) on the server
 gem 'passenger'
diff --git a/Gemfile.lock b/Gemfile.lock
index 35ab7f28b..6493ad58b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,6 @@ GEM
       i18n (= 0.6.1)
       multi_json (~> 1.0)
     arel (3.0.2)
-    authbuttons-rails (0.1.2)
     bcrypt-ruby (3.0.1)
     bluecloth (2.2.0)
     bootstrap-datepicker-rails (1.0.0)
@@ -233,7 +232,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  authbuttons-rails
   bluecloth
   bootstrap-datepicker-rails
   bundler (>= 1.1.5)
diff --git a/app/assets/images/flickr_32.png b/app/assets/images/flickr_32.png
new file mode 100644
index 000000000..82a350e22
Binary files /dev/null and b/app/assets/images/flickr_32.png differ
diff --git a/app/assets/images/twitter_32.png b/app/assets/images/twitter_32.png
new file mode 100644
index 000000000..550232344
Binary files /dev/null and b/app/assets/images/twitter_32.png differ
diff --git a/app/models/crop.rb b/app/models/crop.rb
index 99db0166c..105afe0b5 100644
--- a/app/models/crop.rb
+++ b/app/models/crop.rb
@@ -1,9 +1,14 @@
 class Crop < ActiveRecord::Base
   extend FriendlyId
   friendly_id :system_name, use: :slugged
-  attr_accessible :en_wikipedia_url, :system_name
+  attr_accessible :en_wikipedia_url, :system_name, :parent_id
+
   has_many :scientific_names
   has_many :plantings
+
+  belongs_to :parent, :class_name => 'Crop'
+  has_many :varieties, :class_name => 'Crop', :foreign_key => 'parent_id'
+
   default_scope order("lower(system_name) asc")
 
   validates :en_wikipedia_url,
diff --git a/app/views/crops/_form.html.haml b/app/views/crops/_form.html.haml
index a225c1a92..2b75de0b6 100644
--- a/app/views/crops/_form.html.haml
+++ b/app/views/crops/_form.html.haml
@@ -22,5 +22,10 @@
     .controls
       = f.text_field :en_wikipedia_url
       %span.help-inline Link to this crop's page on the English language Wikipedia.
+  .control-group
+    = f.label :parent_id, 'Parent crop', :class => 'control-label'
+    .controls
+      = collection_select(:crop, :parent_id, Crop.all, :id, :system_name, {:include_blank => true})
+      %span.help-inline Optional. For setting up crop hierarchies for varieties etc.
   .form-actions
     = f.submit 'Save', :class => 'btn btn-primary'
diff --git a/app/views/crops/show.html.haml b/app/views/crops/show.html.haml
index 8756bea56..f9a08a076 100644
--- a/app/views/crops/show.html.haml
+++ b/app/views/crops/show.html.haml
@@ -2,6 +2,19 @@
 
 .row
   .span9
+    - if @crop.parent
+      %p
+        = @crop.system_name 
+        is a variety of
+        = succeed "." do
+          = link_to @crop.parent, @crop.parent
+    - if @crop.varieties.count > 0
+      %p
+        Varieties of
+        = succeed ":" do
+          = @crop.system_name
+        != @crop.varieties.map{ |c| link_to c, c }.join(", ")
+
     - if @crop.plantings_count > 0
       %p
         Planted
diff --git a/app/views/devise/registrations/edit.html.haml b/app/views/devise/registrations/edit.html.haml
index d8a36e1ce..14733b9a6 100644
--- a/app/views/devise/registrations/edit.html.haml
+++ b/app/views/devise/registrations/edit.html.haml
@@ -53,6 +53,7 @@
         - else
           =link_to 'Connect to Twitter', '/auth/twitter'
       %p
+        = image_tag "flickr_32.png", :size => "32x32", :alt => 'Flickr logo'
         - if @flickr_auth
           You are connected to Flickr as
           = succeed "." do
diff --git a/app/views/members/nearby.html.haml b/app/views/members/nearby.html.haml
index cbcf51da6..059196ae2 100644
--- a/app/views/members/nearby.html.haml
+++ b/app/views/members/nearby.html.haml
@@ -7,7 +7,7 @@
     = label_tag :distance, "Find members within", :class => 'control-label'
     = text_field_tag :distance, @distance, :class => 'input-mini'
     = select_tag :units, options_for_select({"miles" => :mi, "km" => :km}, @units), :class => 'input-small'
-    = label_tag :location, "miles of", :class => 'control-label'
+    = label_tag :location, "of", :class => 'control-label'
     = text_field_tag :location, @location
     = submit_tag "Search", :class => 'btn btn-primary'
 
diff --git a/app/views/members/show.html.haml b/app/views/members/show.html.haml
index 8da927ede..8610257d1 100644
--- a/app/views/members/show.html.haml
+++ b/app/views/members/show.html.haml
@@ -33,7 +33,7 @@
 
       - if @flickr_auth
         %p
-          Flickr:
+          = image_tag "flickr_32.png", :size => "32x32", :alt => 'Flickr logo'
           =link_to @flickr_auth.name, "http://flickr.com/photos/#{@flickr_auth.uid}"
 
       - if @member.show_email
diff --git a/db/migrate/20130514124515_add_parent_to_crop.rb b/db/migrate/20130514124515_add_parent_to_crop.rb
new file mode 100644
index 000000000..8a6019808
--- /dev/null
+++ b/db/migrate/20130514124515_add_parent_to_crop.rb
@@ -0,0 +1,5 @@
+class AddParentToCrop < ActiveRecord::Migration
+  def change
+    add_column :crops, :parent_id, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7a372a776..cdb66dc42 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -56,6 +56,7 @@ ActiveRecord::Schema.define(:version => 20130518002942) do
     t.datetime "created_at",       :null => false
     t.datetime "updated_at",       :null => false
     t.string   "slug"
+    t.integer  "parent_id"
   end
 
   add_index "crops", ["slug"], :name => "index_crops_on_slug", :unique => true
diff --git a/spec/factories/crop.rb b/spec/factories/crop.rb
index 4ae2367d0..76fd31433 100644
--- a/spec/factories/crop.rb
+++ b/spec/factories/crop.rb
@@ -30,6 +30,16 @@ FactoryGirl.define do
       system_name "Pear"
     end
 
+    # for testing varieties
+    factory :roma do
+      system_name "Roma tomato"
+    end
+
+    factory :popcorn do
+      system_name "popcorn"
+    end
+
+
     # This should have a name that is alphabetically earlier than :uppercase
     # crop to ensure that the ordering tests work.
     factory :lowercasecrop do
diff --git a/spec/models/crop_spec.rb b/spec/models/crop_spec.rb
index aca3d2681..bea69ed01 100644
--- a/spec/models/crop_spec.rb
+++ b/spec/models/crop_spec.rb
@@ -60,4 +60,13 @@ describe Crop do
     @crop = FactoryGirl.build(:tomato, :en_wikipedia_url => 'http://en.wikipedia.org/wiki/SomePage')
     @crop.should be_valid
   end
+
+  context 'varieties' do
+    it 'has a crop hierarchy' do
+      @tomato = FactoryGirl.create(:tomato)
+      @roma = FactoryGirl.create(:roma, :parent_id => @tomato.id)
+      @roma.parent.should eq @tomato
+      @tomato.varieties.should eq [@roma]
+    end
+  end
 end
diff --git a/spec/views/crops/new.html.haml_spec.rb b/spec/views/crops/new.html.haml_spec.rb
index 4016a27a3..73e22dacc 100644
--- a/spec/views/crops/new.html.haml_spec.rb
+++ b/spec/views/crops/new.html.haml_spec.rb
@@ -14,6 +14,7 @@ describe "crops/new" do
     assert_select "form", :action => crops_path, :method => "post" do
       assert_select "input#crop_system_name", :name => "crop[system_name]"
       assert_select "input#crop_en_wikipedia_url", :name => "crop[en_wikipedia_url]"
+      assert_select "select#crop_parent_id", :name => "crop[parent_id]"
     end
   end
 
diff --git a/spec/views/crops/show.html.haml_spec.rb b/spec/views/crops/show.html.haml_spec.rb
index 81099aabd..0b34be50e 100644
--- a/spec/views/crops/show.html.haml_spec.rb
+++ b/spec/views/crops/show.html.haml_spec.rb
@@ -44,6 +44,25 @@ describe "crops/show" do
     rendered.should contain "Springfield Community Garden"
   end
 
+  context 'varieties' do
+    before(:each) do
+      @popcorn = FactoryGirl.create(:popcorn, :parent_id => @crop.id)
+      @ubercrop = FactoryGirl.create(:crop, :system_name => 'ubercrop')
+      @crop.parent_id = @ubercrop.id
+      @crop.save
+      render
+    end
+
+    it 'shows popcorn as a child variety' do
+      rendered.should contain @popcorn.system_name
+    end
+
+    it 'shows parent crop' do
+      rendered.should contain @ubercrop.system_name
+    end
+
+  end
+
   context "logged in and crop wrangler" do
 
     before(:each) do