selective focus. a spore-bearing shoot of the horsetail equisetum arvense. sporiferous spikelet of field horsetail in spring.

horsetail equisetum spring arvense field spore meadow green vegetation plant medicine wild fresh equisetaceae homeopathic growing health spores naturopathy flora weed wildlife botany organic nature herbaceous perennial herb environment family flower macro common closeup beautiful park grass medicinal forest branch herbal wildflower stem stalk natural young selective focus spore-bearing shoot sporiferous spikelet controversial cones focus arvense spring horsetail