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Wikipedia: Algae (pronounced /ˈældʒiː/ or /ˈælɡiː/; singular alga /ˈælɡə/, Latin for "seaweed") are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. The US Algal Collection is represented by almost 300,000 accessioned and inventoried herbarium specimens. The largest and most complex marine forms are called seaweeds.
![[Floridian coral reef]](http://images.ookaboo.com/photo/s/Coral_Reef_s.jpg "Floridian coral reef")
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![[Phytoplankton, Lake Chuzenji]](http://images.ookaboo.com/photo/s/Phytoplankton_Lake_Chuzenji_s.jpg "Phytoplankton, Lake Chuzenji")
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 from Magnus_Manske |
 from NEON ja |
![[Harvesting Algae]](http://images.ookaboo.com/photo/s/Algae_harvester_1_s.jpg "Harvesting Algae")
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![[Rock lichens in Ireland.]](http://images.ookaboo.com/photo/s/Lichens_near_Clogher_Head_28stevefe_29_s.jpg "Rock lichens in Ireland.")
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from EugeneZelenko |
 from Steve Ford Elliott |
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