*Polypogon viridis (Gouan) Breistroffer. Common name: Water Bent-grass. Phenology: Apr-Jul. Habitat: Springs, creekbeds, also introduced on ballast around old ports (where probably not persistent). Distribution: Native of the Old World. Reported for nw. LA (MacRoberts, MacRoberts, & Allen 2020).
ID notes: Distinguished from Agrostis in having the spikelet falling as a whole, disarticulating below the glumes.
Origin/Endemic status: Mediterranean Europe and Africa
Synonymy ⓘ: = ETx1, FNA24, K4, Meso6, NcTx, NE, Tucker (1996); = Agrostis viridis Gouan — C, Röser & Tkach (2024); = n/a — RAB; > Agrostis semiverticillata (Forssk.) C.Chr. — G, HC, Tx; > Agrostis verticillata Vill. — F, S13. Basionym: Agrostis viridis Gouan 1762
Links to other floras: = Polypogon viridis - FNA24
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACW
- Eastern Mountains and Piedmont: FACW
- Great Plains: FACW
- Northcentral & Northeast: FACW
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.


Feedback
See something wrong or missing on about Polypogon viridis? 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.