Rorippa aquatica (Eaton) E.J. Palmer & Steyermark. Common name: Lake Cress. Phenology: May-Aug. Habitat: Shallow water of swamps and lake and reservoir margins. Distribution: VT west to MN, south to s. GA, FL, and e. TX, widely scattered and probably dispersed by waterfowl.
Origin/Endemic status: Native
Other Comments: See Al-Shehbaz & Bates (1987) and Les, Anderson, & Cleland (1995) for additional information on this interesting plant. Apparently most closely related to Rorippa, and here included in that genus.
Synonymy ⓘ: = Fl4, FNA7, K4, Mi, NE, NY, Tn, Va; = Armoracia aquatica (Eaton) Wiegand — F, G, GW2; = Armoracia lacustris (A.Gray) Al-Shehbaz & V.M.Bates — C, Al-Shehbaz & Bates (1987), Al-Shehbaz (1988a), Rollins (1993); = Neobeckia aquatica (Eaton) Greene — Ar, Il, S, WH3, Les, Anderson, & Cleland (1995); = Roripa americana (A.Gray) Britton — S13; = Rorippa americana (A.Gray) Britton; Cochlearia armoracia Linnaeus var. aquatica A. Eaton. Basionym: Cochlearia armoracia L. var. aquatica Eaton 1822
Links to other floras: = Rorippa aquatica - FNA7
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 7
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© psweet, some rights reserved (CC BY-SA), uploaded by psweet source CC-BY-SA | Original Image ⭷
no rights reserved, uploaded by Allan Harris source CC0 | Original Image ⭷
© Trently,Allan J, some rights reserved (CC BY-NC), uploaded by Trently,Allan J source CC-BY-NC | Original Image ⭷
no rights reserved, uploaded by Allan Harris source CC0 | Original Image ⭷Feedback
See something wrong or missing on about Rorippa aquatica? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
Intro:
Stems:
Leaves:
Inforescence:
Flowers:
Fruits:
Comments:
Height:
plant sale text:
bloom table text:
description:
stems:
leaves:
inflorescence:
flowers:
fruits:
comments:
cultural notes:
germination code:
native range:
0 unsaved edits on this page.