Bolbitis is a genus of fern

Fern

A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...

s in family Elaphoglossaceae

Elaphoglossaceae

The Elaphoglossaceae is a family that includes a clade that has been previously distributed among other families or groups. For instance, Bolbitis was long considered to be in the Lomariopsidaceae. This current classification is based on the 2007 work by Schuettpelz &...

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Two particular members of the genus are often grown as immersed water plants in aquaria, B. heudelotii, and B. heteroclita. B. heudelotii

Bolbitis heudelotii

Bolbitis heudelotii , also known as the African water fern, creeping fern, and congo fern. It is native to subtropical and tropical Africa, from Ethiopia west to Senegal; and down to northern South Africa in Southern Africa....

, the African water fern, normally grows submerged in its native habitat, while B. heteroclita normally grows on the margin of water bodies, but will also grow submerged.

It contains the following species:

Bolbitis acrostichoides (Afz. ex Sw.) Ching Bolbitis aliena (Sw.) Alston Bolbitis angustipinna (Hayata) Ito Bolbitis appendiculata (Willd.) Iwatsuki Bolbitis auriculata (Lam.) Alston Bolbitis bernoullii (Kuhn ex H. Christ) Ching Bolbitis bipinnatifida (Mett) Ching Bolbitis cadieri (Christ) Ching Bolbitis christensenii (Ching) Ching Bolbitis confertifolia Ching Bolbitis costata (Wall. ex Hook.) Ching Bolbitis crispatula (Wall.) Ching Bolbitis fluviatilis (Hook.) Ching Bolbitis gaboonensis (Chr.) Ching Bolbitis gemmifera (Hier.) C. Chr. Bolbitis hainanensis Ching & C.H.Wang Bolbitis hastata (E. Fourn.) Hennipman Bolbitis hekouensis Ching Bolbitis hemiotis (Maxon) Ching Bolbitis heteroclita Bolbitis heteroclita Bolbitis heteroclita is an aquatic fern species of Bolbitis, native to the Indochina region of tropical Southeast Asia.-Cultivation:... (Presl) Ching Bolbitis heudelotii Bolbitis heudelotii Bolbitis heudelotii , also known as the African water fern, creeping fern, and congo fern. It is native to subtropical and tropical Africa, from Ethiopia west to Senegal; and down to northern South Africa in Southern Africa.... (Bory) Alston Bolbitis humblotii (Bak.) Ching Bolbitis interlineata (Copel.) Ching Bolbitis latipinna Ching Bolbitis laxireticulata K.Iwats. Bolbitis lindigii (Mett.) Ching Bolbitis lonchophora (Kunze) C.Chr. Bolbitis longiflagellata (Bonap.) Ching Bolbitis major (Bedd.) Hennipman Bolbitis media Ching & Chu H.Wang Bolbitis nicotianifolia (Sw.) Alston Bolbitis nodiflora (Bory in Belang.) Fraser-Jenkins Bolbitis novoguineensis Hennipman

Bolbitis oligarchica (Baker) Hennipman Bolbitis palustris (Brackenr.) Hennipman Bolbitis pandurifolia (Hook.) Ching Bolbitis pergamentacea (Maxon) Ching Bolbitis portoricensis (Spreng.) Hennipman Bolbitis presliana (Fée) Ching Bolbitis quoyana (Gaud.) Ching Bolbitis rawsonii (Bak.) Ching Bolbitis repanda (Bl.) Schott Bolbitis rhizophylla (Kaulf.) Hennipman Bolbitis riparia Bolbitis riparia Bolbitis riparia is a species of fern in the Elaphoglossaceae family. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes. It is threatened by habitat loss.... R.C.Moran & B.Øllg. Bolbitis rivularis (Brackenr.) Ching Bolbitis sagenioides (Kuhn) Ching Bolbitis salicina (Hook.) Ching Bolbitis scalpturata (Fée) Ching Bolbitis scandens W.M.Chu Bolbitis semicordata (Bak.) Ching Bolbitis semipinnatifida (Fée) Alston Bolbitis serrata (Kuhn) Ching Bolbitis serratifolia (Mert. ex Kaulf.) Schott Bolbitis simplex R.C.Moran Bolbitis sinensis (Bak.) K.Iwats. Bolbitis singaporensis Holtt. Bolbitis sinuata (C.Presl) Hennipman Bolbitis subcordata (Copel.) Ching Bolbitis subcrenata (Hook. & Grev.) Ching Bolbitis taylorii (Bailey) Ching Bolbitis tibetica Ching & S.K.Wu Bolbitis tonkinensis (C.Chr. ex Ching) K.Iwats. Bolbitis umbrosa (Liebm.) Ching Bolbitis vanuaensis Brownlie Bolbitis virens (Hook. & Grev.) Schott