Dead needles on lower side of P. radiata branch.
Photo Gallery
|
P. pinifolia on Pinus radiata  |
P. cambivora sporangium with nested proliferation  Empty sporagia showing internal nested proliferation |
P. katsurae disease symptoms  Infected chestnut (Castanea) with girdling canker |
|
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
P. cambivora oogonium  Bullate oogonium with amphyginous antheridium |
P. alni canker on gray alder  Grey alder (A. incana) with collar rot caused by P. alni |
|
Austrocedrus associated with Mal del ciprés.  Austrocedrus with basal resin flow associated with Mal del ciprés. |
P. alni oogonia subspecies and variants  Fig. 40. P. alni subsp. uniformis. Fig. 41. P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43. |
P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |
|
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
|
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |