Nigel Cattlin / Quaking grass (Briza media) spikelets flowering within panicle, close up. Berkshire, England, UK. June.

Nigel Cattlin / Quaking grass (Briza media) spikelets flowering within panicle, close up. Berkshire, England, UK. June.

Nigel Cattlin / Meadow fescue grass (Schedonorus pratensis) spikelets flowering in panicle, close up. Berkshire, England, UK. June.

Nigel Cattlin / Meadow fescue grass (Schedonorus pratensis) panicle in flower. Berkshire, England, UK. June.

Nigel Cattlin / Meadow fescue grass (Schedonorus pratensis) panicle. Berkshire, England, UK. June.

Nigel Cattlin / Soft brome (Bromus hordeaceus) panicle with anthers exposed. Berkshire, England, UK. June.

Nigel Cattlin / Cocksfoot grass Dactylis glomerata) panicle, anthers releasing pollen. Berkshire, England, UK. June.

Nigel Cattlin / Cocksfoot grass (Dactylis glomerata) anthers bearing pollen within spikelets, close up. Berkshire, England, UK. June.

Nigel Cattlin / Cocksfoot grass (Dactylis glomerata) panicle, anthers bearing pollen. Berkshire, England, UK. June.

Nigel Cattlin / Barren brome (Bromus sterilis) panicle.

Nigel Cattlin / Buffalo grass / Sour paspalum (Paspalum conjugatum) flower spikes, a tropical perennial weed grass.

Nigel Cattlin / Annual meadow-grass (Poa annua) panicle with unopened spikelets.