Sea Lettuces
Ulva
The sea lettuces comprise the genus Ulva, a group of edible green algae that is widely distributed along the coasts of the world's oceans. The type species within the genus Ulva is Ulva lactuca, lactuca being Latin for "lettuce". The genus also includes the species previously classified under the genus Enteromorpha, the former members of which are known under the common name green nori.
46 branches of this genus, most-observed first
Broadleaf Sea Lettuce
speciesUlva lactuca
Gutweed
speciesUlva intestinalis
Sea Lettuce
speciesUlva rigida
Californian Sea Lettuce
speciesUlva californica
Ulva fenestrata
speciesUlva fenestrata
Flexuous Gutweed
speciesUlva flexuosa
Thread Weed
speciesUlva compressa
Green String Lettuce
speciesUlva linza
Ulva fasciata
speciesUlva fasciata
Spiky Tendrils
speciesUlva clathrata
sea spiral
speciesUlva taeniata
Ulva prolifera
speciesUlva prolifera
Ulva ohnoi
speciesUlva ohnoi
Ulva australis
speciesUlva australis
Ulva reticulata
speciesUlva reticulata
Ulva meridionalis
speciesUlva meridionalis
Ulva gigantea
speciesUlva gigantea
Ulva pertusa
speciesUlva pertusa
Ulva ralfsii
speciesUlva ralfsii
Ulva expansa
speciesUlva expansa
Ulva conglobata
speciesUlva conglobata
Ulva lobata
speciesUlva lobata
Ulva stenophylloides
speciesUlva stenophylloides
Ulva rotundata
speciesUlva rotundata
Ulva curvata
speciesUlva curvata
Ulva stenophylla
speciesUlva stenophylla
Ulva uncialis
speciesUlva uncialis
Ulva rhacodes
speciesUlva rhacodes
Ulva procera
speciesUlva procera
Ulva tepida
speciesUlva tepida
Ulva laetevirens
speciesUlva laetevirens
Ulva chaetomorphoides
speciesUlva chaetomorphoides
Ulva bulbosa
speciesUlva bulbosa
Ulva paradoxa
speciesUlva paradoxa
Ulva lingulata
speciesUlva lingulata
Ulva maeotica
speciesUlva maeotica
Ulva kylinii
speciesUlva kylinii
Ulva simplex
speciesUlva simplex
Ulva paschima
speciesUlva paschima
Ulva multiramosa
speciesUlva multiramosa
Ulva tanneri
speciesUlva tanneri
Ulva pseudocurvata
speciesUlva pseudocurvata
Ulva elegans
speciesUlva elegans
Ulva hookeriana
speciesUlva hookeriana
Ulva polyclada
speciesUlva polyclada
Ulva torta
speciesUlva torta
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries
In the stacks
Searching the stacks…
Every page naming Ulva in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 54644.