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23 gomphonema species
Gomphonema acuminatum
Gomphonema truncatum
Gomphonema angustatum
Gomphonema gracile
Gomphonema kociolekii
Gomphonema brebissonii
Gomphonema ventricosum
Gomphonema minutum
Gomphonema pumilum
Gomphonema sphaerophorum
Gomphonema augur
Gomphonema micropus
Gomphonema subtile
Gomphonema tergestinum
Gomphonema lagerheimii
Gomphonema exilissimum
Gomphonema parvulum
Gomphonema pseudoaugur
Gomphonema affine
Gomphonema subclavatum
Gomphonema constrictum
Gomphonema dichotomum
Gomphonema intricatum
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