Selaginella rupestris

Rock spike-moss
	Selaginella rupestris
Scientific classification
Kingdom:	Plantae
Division:	Lycopodiophyta
Class:	Isoetopsida
Order:	Selaginellales
Family:	Selaginellaceae
Genus:	Selaginella
Species:	S. rupestris; (L.) Spring
Binomial name
	Selaginella rupestris;

Selaginella rupestris, the northern selaginellla^[2] or rock spike-moss, is a species of spike-moss occurring in dry rocky places in eastern North America, including one locality in Greenland. It has a wide but sporadic range. In the absence of water, it rolls into a ball for which, it is also known as bird nest moss. Again, when it comes in contact with water, it opens up.

References

^ Nathaniel Lord Britton & Addison Brown - An Illustrated Flora of the Northern United States, Canada and the British Possessions, 2nd edition (1913)
^ USDA, NRCS (n.d.). "Selaginella rupestris". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 November 2015.

External links

Flora of North America

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[1] Nathaniel Lord Britton & Addison Brown - An Illustrated Flora of the Northern United States, Canada and the British Possessions, 2nd edition (1913)

[2] USDA, NRCS (n.d.). "Selaginella rupestris". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 November 2015.

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