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Maryland Checklist - Genus: Houstonia - all-time (Total: 7)
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Show All
Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records
Category
Family
Order
Class
Kingdom
1
Azure Bluets
Houstonia
caerulea
722
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
2
Purple Bluet
Houstonia
purpurea
var.
purpurea
212
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
3
Creeping Bluet
Houstonia
serpyllifolia
16
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
4
Southern Bluets
Houstonia
micrantha
19
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
5
Long-leaved Bluet
Houstonia
longifolia
var.
compacta
65
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
6
Small Bluet
Houstonia
pusilla
358
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
7
Longleaf Summer Bluet
Houstonia
tenuifolia
2
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
