Gary Fewless
Key to Selaginella
| 2. Sterile leaf tips acute, but not bristle
tipped, leaves green to yellow-green; fertile leaves longer than the sterile
leaves and forming an obvious terminal cylindrical strobilus; usually
in moist sandy sites, or on drier soils in cool humid sites, in the coastal
areas of the great Lakes. |
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| 2. Sterile leaves bristle-tipped, leaves gray-green; fertile leaves not longer than the sterile leaves and not forming an obvious terminal strobilus; on dry sites, mostly in full sun, on small pockets of acid soils on rock outcrops in northeastern Wisconsin, and also on sandy barrens in central and southern Wisconsin, rarely on limestone outcrops. | Selaginella rupestris |
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