https://www.merriam-webster.com/dictionary/Pterocladia
PTEROCLADIA Definition & Meaning - Merriam-Webster
The meaning of PTEROCLADIA is a genus of red algae (family Gelidiaceae) having thalli suggestive of fern fronds.
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https://species.wikimedia.org/wiki/Pterocladia_lucida
Pterocladia lucida - Wikispecies
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