The white pine (Pinus strobus) used to be call the "mast pine" as it was the wood of choice for the mast of tall sailing ships. Vascular means "tubes that carry fluid". In humans these are the veins and arteries. In plants, they are called xylem and phloem, and pine trees do have these tubes to carry & distribute water, nutrients, leaf products, etc. An example of a nonvascular plant would be "lower plants" such as algae and bryophytes.
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