| australia | | codium cf. fragile subsp. tasmanicum jes-2016 | no rank | 1 | 0 |
| australia | | codium cf. fragile subsp. tasmanicum jes-2016 | no rank | 1 | 0 |
| australia | | codium cf. fragile subsp. tasmanicum jes-2016 | no rank | 1 | 0 |
| australia | | codium fragile subsp. fragile | subspecies | 4 | 0 |
| australia | | codium fragile subsp. novae-zelandiae | subspecies | 1 | 0 |
| australia | | codium galeatum | species | 1 | 0 |
| australia | | codium spinescens | species | 1 | 0 |
| australia | | codium spongiosum | species | 1 | 0 |
| australia | | codium tenue | species | 7 | 0 |
| australia | tasmania | codium fragile | species | 1 | 0 |
| australia | victoria | codium fragile subsp. fragile | subspecies | 5 | 0 |
| australia | victoria | codium fragile subsp. novae-zelandiae | subspecies | 8 | 0 |
| australia | victoria | codium lucasii | species | 1 | 0 |
| australia | victoria | codium tenue | species | 1 | 0 |
| australia | western australia | codium fragile | species | 1 | 0 |
| belize | | codium geppiorum | species | 1 | 0 |
| belize | | codium isthmocladum | species | 1 | 0 |
| bermuda | | codium carolinianum | species | 2 | 0 |
| bermuda | | codium decorticatum | species | 2 | 0 |
| bermuda | | codium intertextum | species | 3 | 0 |
| bermuda | | codium taylorii | species | 1 | 0 |
| brazil | | codium decorticatum | species | 31 | 0 |
| british virgin islands | | codium isthmocladum subsp. clavatum | subspecies | 1 | 0 |
| canada | british columbia | codium fragile | species | 6 | 0 |
| canada | british columbia | codium setchellii | species | 1 | 0 |
| canada | nova scotia | codium fragile | species | 1 | 0 |
| canada | nova scotia | codium sp. 1fragile | species | 3 | 0 |
| canada | prince edward island | codium fragile | species | 19 | 0 |
| chile | | codium dimorphum | species | 1 | 0 |
| chile | antofagasta region | codium bernabei | species | 1 | 0 |
| chile | aysen region | codium dimorphum | species | 2 | 0 |
| china | | codium fragile | species | 6 | 0 |
| china | | codium intricatum | species | 1 | 0 |
| croatia | | codium coralloides | species | 1 | 0 |
| fiji | | codium geppiorum | species | 1 | 0 |
| greenland | | codium fragile | species | 1 | 0 |
| india | | codium arabicum | species | 1 | 0 |
| india | | codium decorticatum | species | 1 | 0 |
| india | | codium tomentosum | species | 1 | 0 |
| indonesia | | codium arabicum | species | 1 | 0 |
| israel | | codium parvulum | species | 1 | 0 |
| jamaica | | codium intertextum | species | 1 | 0 |
| jamaica | | codium isthmocladum | species | 3 | 0 |
| japan | | codium dimorphum | species | 1 | 0 |
| japan | | codium fragile subsp. tomentosoides | subspecies | 1 | 0 |
| japan | | codium latum | species | 2 | 0 |
| japan | aomori prefecture | codium hubbsii | species | 1 | 0 |
| japan | chiba prefecture | codium cylindricum | species | 1 | 0 |
| japan | chiba prefecture | codium dimorphum | species | 4 | 0 |
| japan | chiba prefecture | codium fragile | species | 1 | 0 |
| japan | chiba prefecture | codium hubbsii | species | 3 | 0 |
| japan | chiba prefecture | codium minus | species | 1 | 0 |
| japan | chiba prefecture | codium subtubulosum | species | 1 | 0 |
| japan | chiba prefecture | codium tenuifolium | species | 4 | 0 |
| japan | fukuoka prefecture | codium contractum | species | 1 | 0 |
| japan | fukuoka prefecture | codium fragile | species | 1 | 0 |
| japan | fukuoka prefecture | codium hubbsii | species | 1 | 0 |
| japan | hokkaido prefecture | codium yezoense | species | 1 | 0 |
| japan | hyogo prefecture | codium inerme | species | 1 | 0 |
| japan | hyogo prefecture | codium tenuifolium | species | 7 | 0 |
| japan | kagoshima prefecture | codium arabicum | species | 4 | 0 |
| japan | kagoshima prefecture | codium capitulatum | species | 2 | 0 |
| japan | kagoshima prefecture | codium cylindricum | species | 2 | 0 |
| japan | kagoshima prefecture | codium hubbsii | species | 1 | 0 |
| japan | kagoshima prefecture | codium intricatum | species | 1 | 0 |
| japan | kagoshima prefecture | codium latum | species | 1 | 0 |
| japan | kagoshima prefecture | codium lucasii | species | 1 | 0 |
| japan | kagoshima prefecture | codium minus | species | 1 | 0 |
| japan | kanagawa prefecture | codium hubbsii | species | 1 | 0 |
| japan | kochi prefecture | codium barbatum | species | 1 | 0 |
| japan | kochi prefecture | codium capitulatum | species | 1 | 0 |
| japan | kochi prefecture | codium dimorphum | species | 1 | 0 |
| japan | kochi prefecture | codium inerme | species | 1 | 0 |
| japan | kochi prefecture | codium intricatum | species | 2 | 0 |
| japan | kochi prefecture | codium latum | species | 1 | 0 |
| japan | kochi prefecture | codium minus | species | 1 | 0 |
| japan | kochi prefecture | codium pseudolatum | species | 1 | 0 |
| japan | kochi prefecture | codium repens | species | 1 | 0 |
| japan | kochi prefecture | codium spongiosum | species | 1 | 0 |
| japan | kumamoto prefecture | codium barbatum | species | 1 | 0 |
| japan | kumamoto prefecture | codium contractum | species | 1 | 0 |
| japan | kumamoto prefecture | codium cylindricum | species | 1 | 0 |
| japan | kumamoto prefecture | codium intricatum | species | 1 | 0 |
| japan | kumamoto prefecture | codium spongiosum | species | 1 | 0 |
| japan | okinawa prefecture | codium arabicum | species | 1 | 0 |
| japan | okinawa prefecture | codium repens | species | 1 | 0 |
| japan | okinawa prefecture | codium sp. ts1230 | species | 1 | 0 |
| japan | okinawa prefecture | codium sp. ts1231 | species | 1 | 0 |
| japan | okinawa prefecture | codium sp. ts1286 | species | 1 | 0 |
| japan | shizuoka prefecture | codium dimorphum | species | 3 | 0 |
| japan | shizuoka prefecture | codium fragile | species | 1 | 0 |
| japan | shizuoka prefecture | codium hubbsii | species | 4 | 0 |
| japan | shizuoka prefecture | codium intricatum | species | 1 | 0 |
| japan | shizuoka prefecture | codium latum | species | 2 | 0 |
| japan | shizuoka prefecture | codium subtubulosum | species | 1 | 0 |
| japan | tokyo prefecture | codium arabicum | species | 1 | 0 |
| japan | tokyo prefecture | codium cylindricum | species | 1 | 0 |
| japan | tokyo prefecture | codium lucasii | species | 1 | 0 |
| japan | tokyo prefecture | codium repens | species | 1 | 0 |
| japan | toyama prefecture | codium dimorphum | species | 1 | 0 |
| japan | toyama prefecture | codium hubbsii | species | 1 | 0 |
| japan | wakayama prefecture | codium capitulatum | species | 1 | 0 |
| japan | wakayama prefecture | codium hubbsii | species | 1 | 0 |
| japan | wakayama prefecture | codium lucasii | species | 2 | 0 |
| martinique | | codium isthmocladum | species | 1 | 0 |
| mexico | | codium fragile | species | 6 | 0 |
| mexico | | codium hubbsii | species | 2 | 0 |
| mexico | | codium setchellii | species | 1 | 0 |
| mexico | | codium simulans | species | 2 | 0 |
| mexico | baja california sur | codium simulans | species | 1 | 0 |
| new zealand | | codium fragile | species | 2 | 0 |
| new zealand | auckland | codium fragile subsp. fragile | subspecies | 1 | 0 |
| new zealand | northland | codium fragile subsp. fragile | subspecies | 1 | 0 |
| new zealand | otago | codium fragile subsp. novae-zelandiae | subspecies | 1 | 0 |
| new zealand | wellington | codium fragile subsp. novae-zelandiae | subspecies | 3 | 0 |
| new zealand | west coast | codium fragile subsp. fragile | subspecies | 1 | 0 |
| new zealand | west coast | codium fragile subsp. novae-zelandiae | subspecies | 18 | 0 |
| norway | | codium fragile subsp. fragile | subspecies | 13 | 0 |
| norway | hordaland county | codium fragile | species | 3 | 0 |
| norway | hordaland county | codium sp. 1fragile | species | 1 | 0 |
| oman | | codium cf. latum ash-018 | species | 1 | 0 |
| oman | | codium geppiorum | species | 4 | 0 |
| portugal | | codium tomentosum | species | 1 | 0 |
| south africa | | codium duthieae | species | 12 | 0 |
| south africa | | codium fragile | species | 2 | 0 |
| south africa | | codium geppiorum | species | 1 | 0 |
| south africa | | codium tenue | species | 1 | 0 |
| south africa | kwazulu-natal province | codium duthieae | species | 1 | 0 |
| south africa | kwazulu-natal province | codium platylobium | species | 2 | 0 |
| south korea | | codium hubbsii | species | 5 | 0 |
| south korea | | codium subtubulosum | species | 1 | 0 |
| south korea | | codium yezoense | species | 1 | 0 |
| south korea | gangwon province | codium hubbsii | species | 1 | 0 |
| south korea | jeju province | codium coactum | species | 51 | 0 |
| south korea | jeju province | codium contractum | species | 16 | 0 |
| south korea | jeju province | codium fragile | species | 20 | 0 |
| south korea | jeju province | codium hubbsii | species | 21 | 0 |
| south korea | jeju province | codium minus | species | 22 | 0 |
| south korea | jeju province | codium saccatum | species | 7 | 0 |
| south korea | jeju province | codium sp. ck-2013 | species | 4 | 0 |
| south korea | jeju province | codium subtubulosum | species | 7 | 0 |
| south korea | jeju province | codium tenuifolium | species | 6 | 0 |
| spain | | codium fragile | species | 6 | 0 |
| spain | | codium tomentosum | species | 8 | 0 |
| spain | | codium vermilara | species | 8 | 0 |
| sri lanka | | codium geppiorum | species | 1 | 0 |
| united kingdom | england | codium platylobium | species | 1 | 0 |
| united states | | codium fragile | species | 3 | 0 |
| united states | | codium fragile subsp. tomentosoides | subspecies | 1 | 0 |
| united states | | codium setchellii | species | 1 | 0 |
| united states | | codium taylorii | species | 1 | 0 |
| united states | california | codium fragile | species | 1 | 0 |
| united states | california | codium setchellii | species | 4 | 0 |
| united states | connecticut | codium fragile subsp. fragile | subspecies | 1 | 0 |
| united states | florida | codium isthmocladum | species | 2 | 0 |
| united states | hawaii | codium arabicum | species | 1 | 0 |
| united states | maine | codium fragile | species | 10 | 0 |
| united states | new hampshire | codium fragile | species | 1 | 0 |
| united states | north carolina | codium carolinianum | species | 2 | 0 |
| united states | rhode island | codium fragile | species | 1 | 0 |
| yemen | hadramaut governorate | codium geppiorum | species | 1 | 0 |