Host Plants - Westcott's Plant Disease - page 558

B LIGHT , Leaf. Ramularia cylindriopsis, ME.
D ODDER . Cuscuta compacta, FL.
G ALL , Leaf; Shoot Hypertrophy. Exobasidium
vaccinii, MA to FL, AL.
L EAF S POT . Ceuthocarpon ferrugineum, FL;
Pestalotia vaccinii,

Lychnis (Campion)

B LIGHT , Shoot and Flower. Botrytis cinerea, AK.
B LIGHT , Southern. Sclerotium rolfsii, TX.
L EAF S POT . Alternaria dianthi, AK;
Leptothyrium lychnidis, AL; Phyllosticta
lychnidis, IA, TX; Septoria lychnidis,MA.
M OLD , Leaf. Heterosporium sp., AK.
R OT , Root. Phymatotrichum omnivorum, TX;
Rhizoctonia

secondary; Septoria

pulchella, GA.
L EAF S POT , Tar. Rhytisma andromedae, wide-
spread; R. decolorans, MS.
P OWDERY M ILDEW . Microsphaera alni var.
vaccinii, AL.
R OT , Wood. Poria versipora,ME.
R UST . Pucciniastrummyrtilli (II, III), DE to AL,
AR; 0, I on hemlock.

solani, IL; Corticium

galactinum,MD.
R OT , Stem. Phytophthora cactorum,IN.
R UST . Puccinia arenariae (III), PA; Uromyces
suksdorfii (I, II, III), UT; U. verruculosus,
IN, MI, NY, TX.
S MUT , Anther. Ustilago violacea, MN, WI, WY.

Lysiloma

R OT , White Pocket Heart. Fomes extensus, FL.
R UST . Ravenelia

Lycium (Desert-Thorn,
Christmasberry)

annulata (II, III), FL;

R. lysilomae, FL.

L EAF S POT . Cercospora lycii, OK.
P OWDERY M ILDEW . Arthrocladiella mongeotii,
WA.
R OT , Root. Phymatotrichum omnivorum, TX.
R UST . Aecidium lycii (0, I), AZ; Puccinia
globosipes (II, III), UT to NM, CA; 0,
I unknown; P. tumidipes (II, III), TX to AZ,
UT.

Lythrum (Winged, Purple Loosestrife)

G ALL , Leaf. Synchytrium lythrii, LA.
L EAF S POT . Cercospora lythri, WI;
C. lythracearum,MS;Pezizella oenotherae,
MI, NY; Septoria lythrina, KS, NY, WI.
R OT , Root. Rhizoctonia solani, IL.

Lycoris Maackia

L EAF S CORCH ; Red Spot. Stagonospora curtisii,
CA.
N EMATODE , Bulb Scale Rot. Ditylenchus dipsaci,
NC, VA; Aphelenchoides fragariae, FL, GA,
ND, SD.
N EMATODE , Root. Hoplolaimus sp., NC.

R OT , Root. Phymatotrichum omnivorum, TX.

Macadamia

C ANKER . Phytophthora cinnamomi, CA.
D ECLINE , Quick. Phytophthora tropicalis, HI.

Lyonia (Maleberry, Fetterbush,
Staggerbush)

Madrone (Arbutus menziesii)

B LACK M ILDEW . Asterina lepidigena, FL;
Lembosia andromedae, AL; Morenoella
dothideoides, FL.

B LIGHT (Sudden Oak Death). Phytophthora
ramorum, CA.