Barnyard Grass (Echinochloa muricata)

There are 4 members of the Barnyard Grass (Echinochloa) family that grow in our area.

The one that I have photographed is Echinochloa muricata and it can be distinguished from the others because it grows even in shallow water.

Barnyard Grass (Echinochloa muricata)
Barnyard Grass (Echinochloa muricata)

It also has very long spikelets.

Barnyard Grass (Echinochloa muricata)

Barnyard Grass (Echinochloa muricata) grows sometimes in heavily disturbed places such as in puddles on this dirt road near railway tracks in the Don valley.

Barnyard Grass (Echinochloa muricata)

More generally it is found in moister sites than the other Echinochloas and can be found in wet shores, ditches, river banks and floodplains.

Barnyard Grass (Echinochloa muricata)

It is considered to be a North american native though members of the Echinochloa family can be found in many parts of the world.

Barnyard Grass (Echinochloa muricata)

The plant varies in colour as it matures.

Barnyard Grass (Echinochloa muricata)
Barnyard Grass (Echinochloa muricata)
Barnyard Grass (Echinochloa muricata)
Barnyard Grass (Echinochloa muricata)
Barnyard Grass (Echinochloa muricata)

The stem is often red-purple at the base.

Barnyard Grass (Echinochloa muricata)

I start seeing Barnyard Grass in early August and it can continue well into October.

Barnyard Grass (Echinochloa muricata)

Mature, large leaves have a white stripe in the middle.

Barnyard Grass (Echinochloa muricata)

Here is a look at the leaf sheath.

Barnyard Grass (Echinochloa muricata)

Echinochloa comes from the Greek for “hedgehog grass” for the bristly spikelets.

Barnyard Grass (Echinochloa muricata)

Muricata refers to a surface roughened by means of hard points or sharp projections.

Miles Hearn

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