The cardinal flower is noted in Feng Shui for its vibrant red flowers, symbolizing strong life force and energetic flow. It is especially compatible with a North-facing direction, where Water energy dominates. As Water nurtures Wood, representing plants in Feng Shui elements, the flower's exuberance is accentuated, subtly harmonizing your space.

Turkey berry exudes an intriguing energy. It might foster abundance and prosperity when located in the South. This plant's strong growth brings an implication of constant renewal and forward momentum, well suited to the fiery, active element of the South. However, remember that each placement resonates differently with everyone, inviting a personal interpretation of these guidelines.

The beggar's lice is seen as compatible with the East-facing direction in Feng Shui. It's said this is due to its natural inclination to thrive amidst adversity, subtly harmonizing with the representative resilience and rejuvenation carried by the East. The actual impact may vary considerably depending on personal interpretation and surroundings.

In Feng Shui, the chequered daffodil is often associated with balance and harmony due to its distinct patterns. When placed in the Southwest, it substantially contributes to the enhancement of relationships and feminine energy. Its chequered flowers, in contrast with the grounded humbleness of the Southwest, could produce a unique mix of spirited dynamism and earthy stability. However, these responses to chequered daffodil may manifest differently depending on personal sensitivity and interpretation.

The prayer pepper might connect well with the Southwest-facing living spaces. It possesses potent Earth energy - a key element of this Cardinal Direction. Strong yet subtle, it stimulates peace and calmness, potentially manifesting harmony in relationships. However, Feng Shui's association with plants is incredibly personal. Adjust according to your intuitive feel for maximizing energy flow and balance.

The prostrate sandmat is seen as harmoniously aligned with the Southwest direction in Feng Shui practice due to its tenacity and spreading growth, which symbolize the dispersal of negative energy. This aligns well with the Southwest's association with feminine earth energy, though conclusions can vary depending on personal perspectives.

In the realm of Feng Shui, the bluebell bellflower shares an intricate relationship with the North-facing direction. It is believed to imbue an atmosphere of harmony and serenity due to its delicate bloom and calming blue hue which symmetrically resonates with the water element of North direction. Even so, these theories remain subjective, open to individual interpretation and preference.

The shortleaf pine complements the South-facing direction due to its symbolization of strength and growth, a resonance with the Feng Shui element of fire, predominantly associated with the South. However, this is subjective, and a personalized consultation would be more effective in utilizing the shortleaf pine's Feng Shui benefits.