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Triticum
See list of 2 species in this genusTriticum spelta L. was reported from VT by Atwood et al. (1973); however, the voucher specimen was collected from a cultivated plant—6 Aug 1912, Dutton s.n. ( VT!).
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1a. Stems hollow below spikes; glumes usually with a well-developed keel only in the apical half, terminating in a short tooth or long awn as long as 40 mm; spikes always simple
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1b. Stems solid for ca. 1 cm below spikes; glumes with a well-developed keel in the basal and apical halves, terminating in a short tooth as long as 3 mm; spikes sometimes branched near the base
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Each photo represents one species in this genus.