Collaboration for Plant Pathogen Strain Identification
Collaboration for Plant Pathogen Strain Identification
Collaboration for Plant Pathogen Strain Identification
University of California
Collaboration for Plant Pathogen Strain Identification

CPPSI Services

Welcome to CPPSI Services

CPPSI offers a one-stop on-line portal for ordering reference materials and white papers. For a nominal fee, we can assemble and ship to you differentiating hosts, reference strains and/or white papers.

To place an order, please follow these three steps:

Step 1. SUBMIT ORDER ON-LINE Access the on-line order form via the button below, where you will select the differentiating hosts, reference pathogen strains and/or white papers that you wish to order. The order form contains links to available hosts, strains and white papers as well as pricing. 

Step 2. SUBMIT PAYMENT Once you submit your order, you will receive via email within 3-5 business days with an invoice containing your order details, the total price and a link to the on-line payment page. A $25.00 shipping fee is included for each submitted order. 

Step 3. EMAIL PATHOGEN PERMIT(S) If your submitted order includes reference pathogen strains, please email your permit(s) to CPPSI director Phyllis Himmel at Your reference materials cannot be shipped until your permit is received.

Once these three steps are completed, your order will be processed and shipped; At this time, we will also provide you via email with an estimated time frame for delivery.

A separate schedule for reference strain shipment of the lettuce and spinach Downy mildews will be provided because we cooperate with third parties for delivery of these cultures.

Please contact Phyllis Himmel at with any questions about the ordering process or your order status.

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