Rain forest plants often have narrow leaves, with long, thin “drip tips,” to drain away excess water. In cold places one finds leaves with teeth—like birches and cherries—though why this ...

The only weed that narrow-leaved plantain is likely to be confused with is broad-leaved plantain. However, the leaf shape and width are quite different. Also, the brownish fruits on the seed head of ...

Can you identify the two common irises of Marin County? Douglas iris (Iris douglasiana) and ground iris (Iris macrosiphon) ...