Huperzia ×bartleyi (Cusick) Kartesz & Gandhi. Bartley's Firmoss. Phen: Jun-Sep. Hab: Rock outcrops. Dist: Apparently widely distributed from NY west to w. WI, ne. IA, south to w. NC, nw. SC, nw. AL, and e. MO, in a scattered pattern associated with the overlap in distribution between its two parents, but not everywhere associated with both parents.
ID notes: This hybrid can be told from its parents by the presence of stomates on both surfaces of the leaf (unlike H. lucidula), but their marked lower density on the upper surface (unlike H. porophila).
Origin/Endemic status: Native
Synonymy ⓘ: = Il, K1, K3, K4, Haines (2003a); = Huperzia lucidula × porophila – NY; = n/a – F, RAB
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