Dendrolycopodium hickeyi * - Prickly Tree Clubmoss


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Dendrolycopodium hickeyi - (image 1 of 4)



Family: Lycopodiaceae


* (W.H. Wagner, Beitel & R.C. Moran) A. Haines


Dry woods and second growth shrubby areas. Most often in dry, sandy soils.




Across middle and southern Canada to AK, south to NY and PA, northern OH, northern IN, northern IL, WI and MN, and south through the Appalachians.


Low evergreen from deeply buried, horizontal stems, erect stems to 30cm high, tree-like with many forked, terete branches. Leaves linear, acute, 3-5mm long, in 6 ranks evenly spaced around the stem, the lower leaves of the stem tightly appressed. Cones (strobili) to 6 cm long, terminal, sessile, solitary or in groups of 2-7.


Produces spores from late August to mid November.

Wetland indicator: FAC

The branchlets of this species are rounded in cross section. It is similar to D. dendroideum which has more spreading lower stem leaves.   


Haines, A. 2011. Flora Novae Angliae: a manual for the identification of native and naturalized higher vascular plants of New England. Yale University Press, New Haven, CT.


Wagner, W.H. Jr. and Beitel, J.M. 1993. Lycopodiaceae. In: Flora of North America North of Mexico, Vol. 2.

Oxford University Press, New York and Oxford.




 Michael Hough 2018