benjick

Add a Google+ Page button easily with this plugin. The shortcode is <code>[googlepage]</code>
Usage: 
* Smallest icon: <code>[googlepage page=YOUR_PAGE_ID]</code> 
* Medium icon: <code>[googlepage size=32 page=YOUR_PAGE_ID]</code> 
* Biggest icon: <code>[googlepage size=64 page=YOUR_PAGE_ID]</code>
In page=x where x is your Google+ Page number.

Google Plus Page shortcode

This plugin allows you to add links to a Google+ Page with simple shortcode

Ryan Hellyer

Metronet AS

This plugin makes it easy to add a Google+ post to your WordPress post or page. It’s as easy pasting URL of the post onto it’s own line.
<h3>Credits</h3>
Thanks to the following (in no particular order) for help with the development of this plugin:
<ul>
<li><a href="https://plus.google.com/106908591930273336258/posts" rel="nofollow ugc">Petter El Fakiri</a> – Made the initial plugin suggestion</li>
</ul>

Metronet Embed Google Plus

Easily embed Google+ posts into your pages

Google Plus Page shortcode vs Metronet Embed Google Plus