https://ceb.wikipedia.org/wiki/Isoetes_brittonii
Isoetes brittonii - Wikipedia
isoeteswikipedia
https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&taxonid=67321
Monotropa brittonii (Scrub Ghost-pipe) - FSUS
monotropascrubghostpipe
https://species.wikimedia.org/wiki/Oedogonium_brittonii
Oedogonium brittonii - Wikispecies
wikispecies