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REGNELLIDIUM

Regnellidium

Genus of ferns

Regnellidium is a monotypic genus of ferns of family Marsileaceae. The single living species, Regnellidium diphyllum, the two-leaf water fern, is native

Regnellidium

Marsileaceae

Family of ferns

some species occasionally produce six leaflets per leaf. A second genus Regnellidium includes a single living species that grows only in southern Brazil and

Marsileaceae

Salviniales

Order of plants

Salviniales Marsileaceae Marsilea Pilularia Regnellidium Salviniaceae Azolla Salvinia

Salviniales

Salviniaceae

Family of ferns

Salviniales Marsileaceae Marsilea Pilularia Regnellidium Salviniaceae Azolla Salvinia

Salviniaceae

Vessel element

Component of Xylem

Selaginella (spike-mosses), Pteridium aquilinum (bracken fern), Marsilea and Regnellidium (aquatic ferns), and the enigmatic fossil group Gigantopteridales. In

Vessel element

Vessel_element

La Colonia Formation

Geological formation in Argentina

The paleoflora was known for its aquatic components, Paleoazolla and Regnellidium. However, recent paleobotanical discoveries at the Cañadón del Irupé

La Colonia Formation

La_Colonia_Formation

Microspore

Small land plant spores that develop into male gametophytes

heterosporous ferns are aquatic or semi-aquatic, including the genera Marsilea, Regnellidium, Pilularia, Salvinia, and Azolla. Heterospory also occurs in the lycopods

Microspore

List of freshwater aquarium plant species

perfoliatus Proserpinaca palustris Ranunculus aquatilis Ranunculus limosella Regnellidium diphyllum Riccia fluitans (Crystalwort) Ricciocarpos natans Rorippa aquatica

List of freshwater aquarium plant species

List_of_freshwater_aquarium_plant_species

Water fern

Index of plants with the same common name

regalis Parablechnum wattsii, syn. Blechnum wattsii, or hard water fern Regnellidium diphyllum, or two-leaf water fern Salvinia molesta, or giant water fern

Water fern

Water_fern

Anders Fredrik Regnell

Swedish botanist (1807–1884)

Regnellia Barb.Rodr. (a synonym of Bletia Ruiz & Pav. Orchidaceae,), Regnellidium Lindm. (Marsileaceae,) and Neoregnellia (family Malvaceae,) as well as

Anders Fredrik Regnell

Anders_Fredrik_Regnell

List of the Mesozoic life of Georgia (U.S. state)

R S T U V W X Y Z †Radiopecten †Radiopecten mississippiensis †Regnellidium †Regnellidium upatoiensis – type locality for species †Remera †Remera flexicostata

List of the Mesozoic life of Georgia (U.S. state)

List_of_the_Mesozoic_life_of_Georgia_(U.S._state)

List of plant genera named after people (Q–Z)

architect Cyperaceae Bu Reevesia John Reeves (1774–1856) Malvaceae Bu Regnellidium Anders Fredrik Regnell (1807–1884) Marsileaceae Bt Rehdera Alfred Rehder

List of plant genera named after people (Q–Z)

List_of_plant_genera_named_after_people_(Q–Z)

Intertrappean Beds

Geologic formation in India

Marsileaceae. Orthogonospermum O. patanense Member of Zingiberaceae. Regnellidium Member of Marsileaceae. Nymphaeaceae indet. Typhaceae indet. Liliaceae

Intertrappean Beds

Intertrappean_Beds

Torres, Rio Grande do Sul

Municipality of Rio Grande do Sul, Brazil

northern limit, such as Acathosyris spinescens, Jordina rhombifolia, Regnellidium diphyllum, Berberis laurina, Discaria americana, and others. The coastal

Torres, Rio Grande do Sul

Torres,_Rio_Grande_do_Sul

List of the prehistoric life of Georgia (U.S. state)

or unidentified comparable form Pycnodonte †Pycnodonte vesicularis †Regnellidium †Rhombodus Ringicula †Ringicula clarki Rissoa †Scapanorhynchus †Scapanorhynchus

List of the prehistoric life of Georgia (U.S. state)

List_of_the_prehistoric_life_of_Georgia_(U.S._state)

List of the prehistoric life of Iowa

type locality for species †Pilularia †Pilularia globulifera †Regnellidium †Regnellidium diphyllum †Spermatites †Spermatites ellipticus †Spermatites elongatus

List of the prehistoric life of Iowa

List_of_the_prehistoric_life_of_Iowa