Index - Diseases
L
- Laminated root rot cedar form
- Laminated root rot douglas-fir form
- Larch dwarf mistletoe
- Larch needle cast
- Larch-willow rust
- Leaf and shoot blight of aspen (Venturia macularis)
- Leaf blight (Linospora tetraspora)
- Leaf blight (Ventura populina)
- Leaf blister (Taphrina populi-salicis )
- Leaf spot (Didymosporium arbuticola)
- Leaf spot (Mycosphaerella populicola)
- Leptomelanconium needle blight of pine
Latin
- Lachnellula willkommii (Hartig) Dennis
- Laetiporus sulphureus (Bull.:Fr.) Murrill
- Leptomelanconium pinicola (Berk. & Curtis) R.S. Hunt
- Leucostoma kunzei Sacc.
- Linospora tetraspora G. E. Thompson
- Lirula abietis-concoloris (Mayr ex Dearn.) Darker
- Lirula macrospora (R. Hartig) Darker
- Lirula punctata (Darker) Darker
- Lophodermella concolor (Dearn.) Darker
- Lophodermella montivaga Petr.
- Lophodermium decorum Darker
- Lophodermium lacerum Darker
- Lophodermium piceae (Fckl.)
- Lophodermium pinastri (Shrad.:Fr.) Chev.
- Lophodermium seditiosum Minter, Staley, & Millar
- Lophodermium uncinatum Darker
- Lycoperdon perlatum Pers.