Sunflower, Helianthus, Unopened sunflowers heads growing outdoor.

Sunflower, Helianthus, Yellow coloured flowers growing outdoor.

Daisy, Yellow flower growing outdoor in a field of English meadow flowers, including Bachelor Buttons, cornflowers and assorted varieties of daises.

Thistle, Pasture Thistle, Cirsium Pumilum, Mauve coloured flower against a backround of dandelions.

Scabious, Scabiosa, Close-up of mauve coloured flower growing in wild meadow.

Poker Flower, Dicotyledon, Side view of yellow coloured flower growing outdoor.

Snowdrop, Galanthus, Small white flowers growing outdoor on spring morning.

Sunflower, Helianthus, Bee on yellow flower growing outdoor.

Celsia, Great-Flowered Celsia, Verbascum Creticumm, Tall yellow flower stem growing outdoor covered in water droplets.

Alstromeria, Alstromeria Aurea, Yellow coloured flowers growing outdoor showing petals and stamen.

Lily, Turk's-Cap Lily, Lilium Pyrenaicum, Close uo of yellow coloured flowers growing outdoor.

Daffodil, Narcissus, Early spring yellow coloured flowers growing outdoor.