Floating Crystalwort Riccia fluitans L.    
Kingdom Plantae   >   Division Bryophyta   >   Class Marchantiopsida   >   Order Marchantiales   >   Family Ricciaceae   >   Genus Riccia   

Status:

Common and widely reported. Apparently the most common species in submerged aquatic habitats, the other species being more common on damp soil.

Description:

The thallus of Riccia fluitans is dichotomously branched, relatively thin and only a few millimeters wide. The plants may grow to a few centimeters in length. The plants are most often found submerged or floating below the water's surface in freshwater wetlands, ponds and lakes. It may also be found stranded on damp soil.

Where to find:

Found in freshwater habitats throughout Maryland, particularly the Coastal Plain.

There are 26 records in the project database.

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Riccia fluitans in Anne Arundel Co., Maryland (10/14/2014). Photo by Bonnie Ott. (MBP list)

The liverwort Riccia fluitans in Worcester Co., Maryland (2/24/2014). Photo by Lance Biechele. (MBP list)

The liverwort Riccia fluitans in Dorchester Co., Maryland (1/19/2014). Species verified by Wes Knapp. Photo by Jim Brighton. (MBP list)

Riccia fluitans in Caroline Co., Maryland (7/20/2014). Photo by Jim Brighton. (MBP list)

Riccia fluitans in Charles Co., Maryland (6/26/2016). Photo by Jim Brighton. (MBP list)

Riccia fluitans in Charles Co., Maryland (9/26/2016). Photo by John Hall. (MBP list)


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