Click Login on the Atrium main navigation bar to log into Atrium. Type your password and click the "Login" button.

Locate the collection for which the determination is intended.

Click the collection number in the display to open the Collection Detail display.

On the Collection Data tab of the Collection Detail display, click "Make a New Determination". The Make a New Determination panel opens.

Figure V-4.1. Make a Determination

Choose a family from the drop-down list. The genus list is recreated based on the family chosen. If the family is not available in the drop-down list, type it in the data entry field provided to the right of the drop-down list.

Choose a genus from the drop-down list. The specific epithet list is recreated based on the genus chosen. If the genus is not available in the drop-down list, type it in the data entry field provided to the right of the drop-down list.

Choose a specific epithet from the drop-down list. The infraspecific taxa list is recreated based on the specific epithet chosen. If the specific epithet is not available in the drop-down list, type it in the data entry field provided to the right of the drop-down list.

Choose an infraspecific taxa from the drop-down list. If the infraspecific taxa is not in the drop-down list, type it in the data entry field provided to the right of the drop-down list. Select "ssp." or "var."

Select the name of the determiner from the drop-down list. If the name you need is not in the drop-down list on the right, type the name in the data entry field provided on the left of the drop-down list. The format for the name, if you enter one, is: a. b. lastname.

Select the institution to which the determiner belongs from the drop-down list. If the institution is not in the drop-down list, type the name in the data entry field provided to the left of the drop-down list.

Set the determination date using the calendar control, or type it in, using the format YYYY-MM-DD (four digit year, dash, numeric month, dash, numeric day of month).

Type in one or two specific epithet authorities on which the determination is made.

Type in one or two infra-specific taxa authorities on which the determination is made.

Click the "Edit Determination" button to save the determination, or click the "Cancel" button to close the panel without saving the information.