If you have an urgent package to mail out on Monday, youâre out of luck. In addition to the U.S. Postal Service, both UPS and FedEx will be closed on Labor Day, with only USP Express Critical and FEDEX Custom critical packages set for delivery on Monday.
Horsetail was named for its bristly appearance. The genus name Equisetum is derived from the Latin words equus, meaning horse, and seta, meaning bristle. Other names for horsetail include shave-grass, bottle-brush, and paddock-pipes.
A proposed phylogeny of the vascular plants after Kenrick and Crane is as follows, with modification to the gymnosperms from Christenhusz et al. (2011a), Pteridophyta from Smith et al. and lycophytes and ferns by Christenhusz et al.ascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers) and angiosperms (flowering plants). Scientific names for the group include Tracheophyta and Tracheobionta.