plants of america

abies agava agave armeria beehive blossom botanical botany bougainvillea cactus carica collection coryphantha cranberry crop dahlia element environment fir flora flower foliage food fragaria helianthus herb icon isolated leaf nasturtium native nature oak papaya phytogeography plant quercus set sign solanum stylized sunflower symbol tofieldia tomato tropaeolum vaccinium vector wild zinnia