Alga Tourn. ex Lam. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Fl. Franç. 3: 539 (1779) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Zosteraceae genus Zostera Name Homonyms Alga Boehm. Alga Adanson, 1763 Alga Tourn. ex Lam. Alga Ludw.