Figure 15.4–Autoradiogram showing ITS sequences for three Arceuthobium species. Left set for each species utilized the 26S 25 reverse primer, right set the 18S 1830 forward. A and B: A. apach-ecum (No. 1945). C and D: A. pusillum (No. 1969). E and F: A. vaginatum subsp. crytopodum (no. 1978).