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Polyides rotunda
Polyides rotunda is a species of small red marine alga in the family Polyidaceae.
From the article Polyides rotunda on Wikipedia (CC BY-SA), quoted section by section
Description
Polyides rotunda grows to 20 cm (7.9 in) in length, its cartilaginous, terete and branches two or three times dichotomously. The branches are about 2 mm (0.079 in) in diameter reaching a uniform height. The holdfast is disc like. In colour it is purplish red. They are exclusively multicellular, like all Polyidaceae.
Range & habitat
Generally epilithic in rock pools in the littoral and upper sublittoral. Sand tolerant.
Wikipedia: “Habitat”
What it does
Polyides rotunda is dioecious. The spermatangial cells develop in swollen areas near the apices. Cystocarps develop near the apices. The tetrasporangia are cruciate, that is cross-shaped.
Wikipedia: “Reproduction”
Where it lives
Recorded sightings
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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 stacks
Searching the stacks…
Every page naming Polyides rotunda 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 1022927.