<i>Cryptococcus</i> can colonize live Douglas fir and Western hemlock trees.

<p>Scanning electron micrographs are shown of mixed mating strains of (A) <i>Cryptococcus deneoformans</i> (VNIV) producing filaments on Douglas fir trees, and (B) colonizing Eastern hemlock trees. Colonization of <i>Cryptococcus neoformans</i> (VNIV) on Douglas fir (C) or Western hemlock (D), and of <i>C</i>. <i>deuterogattii</i> (VGII) <i>x C</i>. <i>gattii</i> (VGI) on Douglas fir (E) or Hemlock (F) are shown. Scale bar = 5 μm.