Host Plants - Westcott's Plant Disease - page 555

Lisianthus (Eustoma grandiflora) Lobelia (Cardinal-Flower, Blue

Lobelia)

R OT , Root. Pythium irregulare, CA.
V IRUS , Yellow and Necrotic Leaf Spots. Moroc-
can Pepper Virus, Iran.

B ACTERIAL B LIGHT . Pseudomonas cichorii,WA.
B LIGHT , Gray Mold. Botrytis cinerea.
D AMPING -O FF . Pythium debaryanum, MA, NY.
L EAF S POT . Cercospora lobeliae, AL, IL, IN, KS,
MD, TX; C. effusa, IA, TX; Phyllosticta
bridgesii, IN; Septoria lobeliae, ME to VA,
TX, WI.
N EMATODE , Root Knot. Meloidogyne spp., FL,
MD, NE, NY.
R OT , Root. Phymatotrichum omnivorum, TX;
Rhizoctonia solani, NY, OH.
R OT , Stem. Sclerotium rolfsii, NJ.
R UST . Puccinia lobeliae (III), AR, MI, WI, NY to
NC, TX, WA.
S MUT , Leaf. Entyloma lobeliae, ME to PA, MO,
WI.
V IRUS . Beet Curly Top, TX; Tomato Spotted
Wilt, TX.

Lithocarpus (Tanbark Oak)

B LIGHT , Leaf. Pestalotia castagnei, CA.
B LIGHT , Sudden Oak Death. Phytophthora

ramorum, CA. OR.
C ANKER . Phytophthora ramorum, P. nemorosa,
P. gonapodyides, P. cambivora,

P. siskiyouensis, P. taxon,OR.
L EAF S POT . Ceuthocarpum conflictum, CA.
P OWDERY M ILDEW . Erysiphe trina, CA.
R OT , Wood. Poria spp.; Stereum hirsutum.
R UST . Cronartium quercuum (II, III), CA; 0,
I on pine.
W ILT . Phytophthora ramorum, CA, OR.

Locust (Robinia)

Lithophragma (Woodland-Star) A NTHRACNOSE ;B LACK L OCUST . Colletotrichum

gloeosporioides, GA, SC.
B ACTERIAL , MLO. Witches' Broom, VA.
B LIGHT , Seedling; Leaf. Alternaria sp., NC to
AL, MO; Fusicladium robiniae, MD to AL,
MO, WI.
C ANKER . Nectria cinnabarina, VA.
C ANKER ; Twig Blight. Aglaospora anomala,ME
to GA;

R UST . Puccinia heucherae (III), CA, UT, WA.
S MUT , Leaf and Stem. Urocystis lithophragmae,
UT.

Lithospermum (Gromwell, Puccoon)

Fusarium sarcochroum, IA;

Diaporthe oncostoma, NY to GA, IL.
D AMPING -O FF . Rhizoctonia solani, ME to AL,
NE, TX; Pythium spp., NE, TX.
D ODDER . Cuscuta sp.; C. arvensis, widespread.
L EAF S POT . Cladosporium epiphyllum, TN, VA,
WV; Cylindrosporium solitarium, TX;
Gloeosporium revolutum, NJ; Phloeospora
robiniae,NYtoOH;Phyllosticta robiniae,
LA.
M ISTLETOE . Phoradendron serotinum
(flavescens), AZ, NM, NC, TX; Viscum
album, CA.
N EMATODE , Lesion. Pratylenchus sp., OR.

L EAF S POT . Septoria lithospermi, WI.
P OWDERY

M ILDEW . Golovinomyces

cichoracearum, PA, TX.
R UST . Aecidium hesleri,

TN; Puccinia

recondita (0, I), NE, ND, SD, TX.

Litsea (Pond-Spice)

L EAF S POT . Cercospora olivacea, GA.
W ILT , Laurel. Raffaelea lauricola, FL.