Contains 4 accepted taxa overall.

Characteristics
Rorippa Scop.
YELLOWCRESS
Classification
BRASSICALES
Rorippa
Citation
RORIPPA Scopoli, Fl. Carniol. 520. 1760.
-
TYPE: Rorippa sylvestris (Linnaeus) Besser (Sisymbrium sylvestre Linnaeus)
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Rorippa aquatica LAKECRESS Native OBL (NWPL) OBL (DEP)
Rorippa palustris BOG YELLOWCRESS Native OBL (NWPL) OBL (DEP)
Rorippa sessiliflora STALKLESS YELLOWCRESS Native OBL (NWPL) OBL (DEP)
Rorippa teres SOUTHERN MARSH YELLOWCRESS Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Rhizomatous, primarily submerged with emergent inflorescences; basal leaves lacking; submerged cauline leaves dissected into filiform segments; petals white
1.  Lacking rhizomes, primarily emergent; basal leaves present or lacking; cauline leaves usually not submerged, pinnatisect to toothed or lobed; petals yellow or absent
2
2.  Pedicels 0.5-2(4) mm long; petals absent
2.  Pedicels 1.5-14 mm long; petals present, yellow
2
3.  Fruit 2.5-10 mm long, usually subequal to shorter than pedicel
3.  Fruit 8-14 mm long, usually >2 times the pedicel length
Genus Synonyms
Synonym Full Citation Basionym Type
Brachiolobos Brachiolobos Allioni, Fl. Pedem. 1: 278. 1785. TYPE: Non designatus.
Caroli-Gmelina Caroli-Gmelina P. Gaertner et al., Oekon.-Techn. Fl. Boehmen 2: 419, 468. 1800. TYPE: = Brachiolobos Allioni 1785.
Clandestinaria Clandestinaria Spach, Hist. Nat. Vég. 6: 427. 1838. TYPE: Clandestinaria indica (Linnaeus) Spach (Sisymbrium indicum Linnaeus)
Dictyosperma Dictyosperma Regel, Izv. Imp. Obsc. Ljubit. Estestv. Moskovsk. Univ. 34(2): 5. 1882, non H. Wendland & Drude 1875. TYPE: Dictyosperma olgae Regel = Pirea T. Durand 1888.
Kardanoglyphos Kardanoglyphos Schlechtendal, Linnaea 28: 472. 1857. TYPE: Kardanoglyphos nana Schlechtendal
Nasturtium Nasturtium R. Brown, in Aiton f., Hortus Kew. 4: 109. 1812, nom. cons. vs. Nasturtium Miller 1754, et vs. Cardaminum Moench 1794. TYPE: Nasturtium officinale R. Brown, typ. cons. (Sisymbrium nasturtium- aquaticum Linnaeus)
Neobeckia Neobeckia Greene, Pittonia 3: 95. 1896. TYPE: Neobeckia aquatica (Eaton) Greene 1896. (Cochlearia armoracia Linnaeus, var. aquatica Eaton 1822.)
Pirea Pirea T. Durand, Index Gen. Phan. 494. 1888. TYPE: Pirea olgae (Regel) T. Durand ex Engler (Dictyosperma olgae Regel) Substitute name for Dictyosperma Regel 1882, non H. Wendland & Drude 1875.
Radicula Radicula Moench, Methodus 262. 1794. TYPE: = Rorippa Scopoli 1760.
Sisymbrella Sisymbrella Spach, Hist. Nat. Vég. 6: 422. 1838. TYPE: = Rorippa Scopoli 1760.
Sisymbrianthus Sisymbrianthus Chevallier, Fl. Gen. Paris, ed. 2. 2: 907. 1836. TYPE: Non designatus.
Tetrapoma Tetrapoma Turczaninow ex Fischer & C. A. Meyer, Index Sem. Hort. Petrop. 1: 39. 1835. TYPE: Tetrapoma barbaraefolium (de Candolle) Turczaninow ex Fischer & C. A. Meyer (Camelina barbaraefolia de Candolle) Lectotypified by Pfeiffer, Nomencl. Bot. 2: 1378. 1874.