Tree Registration

Please select the Partipant Code received from your participant registration.

Use ONLY if your code is NOT found above.

Please select the habitat for your oak tree.
LA-Landscaped, WR-Woodlot Rural, WS-Woodlot Suburban, FO-Forest

Please type your 2 letter LL code.Exceeded maximum number of characters.Minimum number of characters not met.
Enter two characters beginning at left - leave no space.

A value is required.Please enter a 2 digit number.Please enter a 2 digit number.The entered value is less than the minimum required.The entered value is greater than the maximum allowed.
Enter two digits beginning at left - leave no space.

Please enter the latitude of your tree.Minimum number of characters not met.

Please enter the longitude of your tree.
In North America, longitude is in negative degrees.

Please select the oak group for your tree.

Please select a valid item. Use a different number for each tree at LL.

Use for oak species not listed above.

Please type your email address.Please type a valid email address.

Leave this empty:

After registering, we will contact you via e-mail with a confirmation. Please note the first date for on-line data entry above.

2014 - 2015 Schedule:
Our First Year!

Participant Registration Code.  You should have received a Participant Registration Code from the Acorn Study after you registered as a participant. Please check your emails from the Acorn Study.  If you have not registered as a participant,
go to:  If you registered, but your code is not on the list, enter your code into the OTHER Participant box.

LL, is the location code within your study area - selected by you.  This is intended to help you distinguish between trees in your study area, if you monitor trees in more than one location.  For example, if you are monitoring oaks on a school campus, your might use BB (near the baseball field) or LN (on the front lawn).


Geology Select the Physiographic Province for your study site.  This is not required, but might be helpful.  See the following for help:  NY, NJ, CT pg 36, PA,


Oak Group  Oaks are divided into 2 major groups.  The Red Oak Group has leaves with pointed tips and includes Red, Pin, Black, and Scarlet Oaks.  The White Oak Group has leaves with rounded tips and includes White, Swamp White, Chestnut, and Bur Oaks.  See the following for acorn differences:


Tree Measures  See the protocol for an explanation of tree measurements.

One source for metric conversions is:

If you have any questions, please contact
Trudy Battaly at  
Use subject: Acorn Registration