X-Nico

unusual facts about Pinus classification



Cronartium ribicola

The aecial hosts are white pines (Pinus subgenus Strobus, family Pinaceae) and the telial hosts include wild and introduced currants and gooseberries (Ribes, family Grossulariaceae), and two genera of the Orobanchaceae, Pedicularis and Castilleja.

Lignum vitae

On the Janka Scale of Hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4500 lbf (compared with African Blackwood at 2940 lbf, Hickory at 1820 lbf, red oak at 1290 lbf, Yellow Pine at 690 lbf, and Balsa at 325 lbf).


see also