Phalaris caroliniana (Reed canarygrass)

9/23/2017 · Summit of Mt. Agamenticus, York, Maine · ≈ 15 × 10″ (37 × 25 cm) ID is uncertain

9/23/2017 · Summit of Mt. Agamenticus, York, Maine · ≈ 1½ × 1′ (50 × 33 cm) ID is uncertain

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Liliopsida	Monocots (plants with a single seed leaf); includes the lily family
Subclass	Commelinidae	Dayflowers and spiderworts, and several others
Order	Cyperales	Flowering plants including grasses
Family	Poaceae	Grasses (but not sedges or rushes)
Genus	Phalaris	An ancient Greek name used by Dioscorides for a kind of grass with shiny spikelets, according to Umberto Quattrocchi from phalaros, “having a patch of white, crested,” and/or phalos, “shining, bright, white”
Species	caroliniana	Of or from Carolina