MARYLAND AT A GLANCE

PLANTS

GRASSES

Maryland Grasses

Invasive & Introduced Grasses

Warm Season Grasses & Wildlife (DNR)

100 Poisonous Plants of Maryland (University of Maryland)

Grasses, Glen Burnie, Maryland, May 2015. Photo by Diane F. Evartt.

Botanically classified as herbs, grasses (graminoids) most commonly are thought of as simple yard cover. Yet, they, along with bay grasses, actually are a diverse group that encompasses reeds and seaweeds. There are more than 3,500 species of graminoids in the world.

Sedge (left) and Grasses (right), Glen Burnie, Maryland, September 2014. Photos by Diane F. Evartt.

MARYLAND GRASSES

Name	Scientific Name	Blooms
Bluestem, Broomsedge	Andropogon virginicus L.	Aug. - Nov.
Bluestem, Little	Schizachyrium scoparium (Michx.) Nash	Aug. - Oct.
Cordgrass, Prairie	Spartina pectinata Bosc ex Link	June - July
Cordgrass, Saltmeadow	Spartina patens (Aiton) Muhl.	July - Sept.
Cordgrass, Smooth	Spartina alterniflora Loisel.	July - Sept.
Fescue, Red	Festuca rubra L.
Gamagrass, Eastern	Tripsacum dactyloides (L.) L.
Grass, Eastern Blue-eyed	Sisyrinchium atlanticum E.P. Bicknell
Grass, Eastern Bottlebrush	Elymus hystrix L.
Grass, Narrowleaf Blue-eyed	Sisyrinchium angustifolium Mill.
Grassleaf, Mudplantain	Heteranthera dubia (Jacq.) MacMill.
Indiangrass	Sorghastrum nutans (L.) Nash	Aug. - Sept.
Panicgrass, Coastal	Panicum amarum Elliott var. amarulum (Hitchc. & Chase) P.G. Palmer
Sedge, Blue	Carex glaucodea Tuck. ex Olney	June - July
Sedge, Pennsylvania	Carex pensylvanica Lam.	May - June
Sedge, Upright	Carex stricta Lam.	May - Aug.
Switchgrass	Panicum virgatum L.	July - Oct.
Wildrye, Canada	Elymus canadensis L.	June - Oct.
Wildrye, Virginia	Elymus virginicus L.	June - Oct.
Woodoats, Indian	Chasmanthium latifolium (Michx.) Yates	July - Sept.

INVASIVE & INTRODUCED GRASSES

Name	Scientific Name	Blooms
Bamboo, Running	multiple species within genus Phyllostachys
Basketgrass, Wavyleaf	Oplismenus hirtellus	Aug. - Nov.
Grass, Japanese Silver	Miscanthus sinensis	Sept. - Oct
Grass, Japanese Stilt	Microstegium vimineum	July - Sept.
Grass, Johnson	Sorghum halepense	May - Oct.
Grass, Pampas	Cortaderia selloana	July - Sept.
Grass, Reed Canary	Phalaris arundinacea	June - Aug.
Knotweed, Japanese	Polygonum cuspidatum	July - Oct.
Lespedeza, Chinese	Lespedeza cuneata	July - Oct.
Lovegrass, Weeping	Eragrostis curvulas	July - Oct.
Pondweed, Curly	Potamogeton crispus	May - Oct.
Reed, Common	Phragmites australis	July - Nov.
Reed, Giant	Arundo donax	July - Sept.

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