Hollyhock Rust This rust disease can result in serious injury to hollyhocks (Althaea spp.) and is found nearly everywhere they are grown. The rust also occurs on mallow (Malva rotundifolia), a common weed, which can serve as a disease reservoir for the fungus and contribute to infection of hollyhocks.ollyhock Rust This rust disease can result in serious injury to hollyhocks (Althaea spp.) and is found nearly everywhere they are grown. The rust also occurs on mallow (Malva rotundifolia), a common weed, which can serve as a disease reservoir for the fungus and contribute to infection of hollyhocks.
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What is HP Document Viewer? (from Hewlett-Packard) Use HP Document Viewer to view any type of file, scan, fax, e-mail, print, and convert documents to editable text. The view mode buttons allow you to switch between a thumbnail view of all images in a folder and single-image view. HP Document Viewer 7.0 is a program developed by Hewlett-Packard. The main program executable is hpzscr01.exe. The software installer includes 4 files and is usually about 2.02 MB (2,120,644 bytes). In comparison to the total number of users, most PCs are running the OS Windows XP as well as Windows 7 (SP1).